List of Microsoft Windows components

Short description: none

The following is a list of Microsoft Windows components.

## Contents

* 1 Configuration and maintenance
* 2 User interface
* 3 Applications and utilities
* 4 Windows Server components
* 5 File systems
* 6 Core components
* 7 Services
* 8 DirectX
* 9 Networking
* 10 Scripting and command-line
* 11 Kernel
* 12 .NET Framework
* 13 Security
* 14 Deprecated components and apps
* 15 APIs
* 16 Miscellaneous (to be categorized)
* 17 See also
* 18 References

## Configuration and maintenance

Component  | Description  | Command  | Introduced

|
|
|

Settings | Allows users to change system settings, similar to the Control Panel, but has less options[1] | `start ms-settings:` | Windows 8
Control Panel
Control Panel | Allows users to view and change basic system settings and controls, such as adding hardware, adding and removing software, controlling user accounts, and changing accessibility options  | `control.exe` | Windows 1.0
Device Manager | Allows the user to display and control the hardware attached to the computer, and control what device drivers are used  | `devmgmt.msc` | Windows 95
Windows Mobility Center | Centralizes the most relevant information related to mobile computing  | `mblctr.exe` | Windows Vista
Security and Maintenance | Centralizes and reports on the status of anti-virus, Automatic Updates, Windows Firewall, and other security-related components of the operating system  |  | Windows XP SP2
Administrative Tools
Microsoft Management Console | Provides system administrators and advanced users with a flexible interface through which they may configure and monitor the system  | `mmc.exe` | Windows NT 4.0 Option Pack
Windows System Assessment Tool | Built-in benchmarking tool that analyzes the different subsystems (graphics, memory, etc.), and uses the results to allow for comparison to other Windows Vista systems, and for software optimizations. It rates the computer's performance using the Windows Experience Index.  | `winsat.exe` | Windows Vista
System Restore | Allows for the rolling back of system files, registry keys, installed apps, etc., to a previous state in the event of a system failure  | `rstrui.exe` | Windows Me
Windows Recovery Environment | Helps diagnose and recover from serious errors which may prevent Windows from booting successfully, or restore the computer to a previous state using System Restore or a backup image  | `shutdown /r /o` | Windows Vista
Microsoft Drive Optimizer | Rearranges files stored on a hard disk to occupy contiguous storage locations in order to optimize computer performance  | `dfrgui.exe` | Windows 95, Windows 2000
Event Viewer | Lets administrators and users view the event logs on a local or remote machine  | `eventvwr.msc` | Windows NT 3.1
Resource Monitor
(previously Reliability and Performance Monitor) | Lets administrators view current system reliability and performance trends over time  | `resmon.exe` | Windows Vista
Logical Disk Manager | Logical volume manager developed by Microsoft in conjunction with Veritas Software  | `diskmgmt.msc` | Windows NT 4.0 (Separate Tool), Windows 2000
Registry Editor  | Allows users to browse and edit the Windows registry  | `regedit.exe` | Windows 3.1
Windows Task Scheduler | Allows users to script tasks for running during scheduled intervals  | `taskschd.msc` | Microsoft Plus! for Windows 95
Software installation and deployment
Windows Update | An online service providing updates such as service packs, critical updates and device drivers. A variation called Microsoft Update also provides software updates for other Microsoft products.  | `control.exe update` | Windows 98
Windows Installer | An engine for the management of software installation. Includes a GUI framework, automatic generation of the uninstallation sequence and deployment capabilities for corporate networks.  | `msiexec.exe` | Office 2000
ClickOnce | Technology for deploying .NET Framework-based software via web pages, with automatic update capabilities. Intended for per-user only applications.  | `mage.exe` and `mageUI.exe` | .NET Framework 2.0

## User interface

Component  | Description  | Introduced

|
|

Action Center | View notifications sent from apps and change common settings  | Windows 7
Windows Command Prompt  | Text-based shell (command line interpreter) that provides a command line interface to the operating system  | Windows NT 3.1
PowerShell | Command-line shell and scripting framework.  | Windows XP
Windows Shell  | The most visible and recognizable aspect of Microsoft Windows. The shell provides the container inside of which the entire graphical user interface is presented, including the taskbar, the desktop, Windows Explorer, as well as many of the dialog boxes and interface controls. In Windows Vista, a new compositing glass-like user interface called Windows Aero has been shown.  | Windows 95
File Explorer
(previously Windows Explorer) | Provides an interface for accessing the file systems, launching applications, and performing common tasks such as viewing and printing pictures  | Windows 95
Windows Search  | Starting with Windows Vista, search is a tightly shell-integrated component of Windows. A downloadable Windows Desktop Search software is available for Windows XP and older versions.  | Windows Vista, downloadable for older versions
Search Folders | Virtual folders that retrieve items based on queries rather than hierarchical folder trees on disk.  | Windows Vista
Special folders | Folders which are presented to the user through an interface as an abstract concept, instead of an absolute path. This makes it possible for an application to locate where certain kinds of files can be found, regardless of what version or language of operating system is being used. See also Windows Shell namespace.  | Windows 95
Start menu | Serves as the central launching point for applications. It provides a customizable, nested list of apps for the user to launch, as well as a list of most recently opened documents, a way to find files and get help, and access to the system settings. By default, the Start Button is visible at all times in the lower left-hand corner of the screen.  | Windows 95
Taskbar | The application desktop bar which can be used to launch and monitor applications.  | Windows 95
Task View | Displays all open windows and activities (via timeline) at a glance and switch between virtual desktops, starting in version 2004, users can now rename desktops  | Windows 10
File associations | Used to open a file with the appropriate app. Users can assign file associations uniquely to specific actions, known as verbs.  | Windows 1.0

## Applications and utilities

Component  | Description  | Introduced

|
|

Easy Transfer | Used to transfer many files at once from one computer to another  | Windows Vista
Contacts | Keeps a single list of contacts that can be shared by multiple apps  | Windows Vista
Camera | Allows the user to take pictures or record video[2] | Windows 8
Calculator | Calculation application  | Windows 1.0
Calendar | Calendaring application  | Windows Vista
Character Map | Utility to view and search characters in a font, copy them to the clipboard and view their Windows Alt keycodes and Unicode names  | Windows 3.1
Cortana | Digital personal assistant  | Windows 10 Version 1507
Edge  | Web browser  | Windows 10 Version 1507
Feedback Hub | Platform for exchanging communication with Windows Insiders and developers  | Windows 10 Version 1607
Groove Music
(previously Xbox Music) | Digital media player and media library application that is used for playing audio. In addition to being a media player, Groove includes the ability to copy music to compact discs, synchronize content with a digital audio player (MP3 player) or other mobile devices, and let users purchase or rent music from the Windows Store.  | Windows 8
Movies & TV
(previously Xbox Video) | Digital media player and media library application that is used for playing video. In addition to being a media player, Movies & TV lets users purchase or rent movies and TV episodes from the Windows Store.  | Windows 8
OneDrive
(previously SkyDrive) | Freemium cloud storage folder and sync service  | Windows 8
Microsoft OneNote | Integrated note-taking app, based on the Microsoft Office product of the same name  | Windows 8
On-Screen Keyboard (osk.exe)  | Virtual keyboard |
Paint 3D | Simple graphics painting app  | Windows 10 Version 1703
Photos | Simple image viewer  | Windows 8
Steps Recorder
(called Problem Steps Recorder in Windows 7) | Utility that allows the user to capture steps they took to reproduce a problem  | Windows 7
Windows To Go | Utility to create bootable versions of Windows 8 and above  | Windows 8
Notepad | Simple text editor | Windows 1.0
Narrator | Screen reader utility that reads dialog boxes and window controls in a number of the more basic applications for Windows  | Windows 2000
Sound Recorder | Simple audio recording app that can record from a microphone or headset, and save the results in WAVE format and Windows Media Audio format in some Windows versions  | Windows 3.0 Multimedia Extensions
Skype | Messaging and calling service  | Windows 8.1, downloadable for previous versions
Sticky Notes | Tool for jotting notes on the desktop  | Windows XP Tablet PC Edition
Private Character Editor  | Utility to create private use characters as defined under Unicode and various East Asian encoding schemes  | Windows 3.1 East Asian editions
Remote Desktop Connection | Client implementation of the Remote Desktop Protocol; allows a user to securely connect to a computer running Terminal Services (Remote Desktop on Windows XP and Server 2003) and interact with a full desktop environment on that machine, including support for remoting of printers, audio, and drives.  | Windows XP, downloadable for previous Windows versions
Remote Assistance  | Allows a user to temporarily take over a remote computer over a network or the internet to offer help with and resolve issues  | Windows XP
Mobility Center | Allows a user to adjust settings related to mobile computing  | Windows Vista
Speech Recognition | Allows a user to input voice commands  | Windows Vista
IExpress | Allows users to create self-extracting, self-installing INF installation-based packages  | Internet Explorer 6
Xbox Console Companion
(previously Xbox and Xbox Games) | Account manager for Xbox Live user accounts and a screen recording tool  | Windows 8
Xbox Game Bar  | Provides an overlay for compatible games allowing for screen capture, chatting over the Xbox network, showing the frame rate of games, and playing music via Spotify[3][4] | Windows 10 May 2019 Update (Version 1903)[5]
Magnifier | Screen enlargement app  | Windows 98
Fax and Scan | Integrated faxing and image scanning application  | Windows Vista, older faxing and scanning applications were present in previous Windows versions
Photo Viewer | Simple image viewer that can play a simple slideshow  | Windows XP
Mail | Email aggregator  | Windows Vista
Maps | Map viewer that allows users to look for locations, and plan routes  | Windows 8
Media Center | Designed to serve as a home-entertainment hub, to be viewed from a distance up to 3 meters (~10 feet) and controlled by specially designed remote controls. Lets users browse and view pictures, videos, and music from local hard drives, optical drives, and network locations, along with viewing, recording and deferred-playing live TV. Features an interactive TV guide with scheduled recording capabilities. Can also be used for visualization of other information (like sports scores) within the interface  | Windows XP Media Center Edition
Task Manager | Provides information about computer performance and displays details about running applications, processes, network activity, logged-in users, and system services  | Windows 3.0
Disk Cleanup | Utility for compacting rarely used files and removing files that are no longer required  | Windows 98
Snipping Tool | Screen-capture tool that allows for taking screenshots (called snips)  | Experience Pack for Windows XP Tablet PC Edition 2005
Microsoft Store
(previously Windows Store) | Initially known as Windows Store, it started as an app store for Windows 8. In Windows 10, it expanded into a broad digital distribution platform for apps, games, music, digital video and e-books. In 2017, it was renamed Microsoft Store and started offering hardware in United States, Canada and United Kingdom.  | Windows 8
MSN apps  | Provide information from MSN web services  | Windows 8
Alarms & Clock
(previously Alarms) | App that allows Windows users to set alarms, stopwatches, timers, and view a world clock  | Windows 8
Windows Security
(previously Windows Defender Security Center) | Antivirus  | Windows 10 Version 1703
Solitaire Collection | Set of solitaire card games  | Windows 10 Version 1507, downloadable for Windows 8.x

## Windows Server components

Component  | Description  | Supported by

|
|

Active Directory | A set of technologies introduced with Windows 2000 that allows administrators to assign enterprise-wide policies, deploy apps to many computers, and apply critical updates to an entire organization. Active Directory stores information and settings relating to an organization in a central, organized, accessible database. Networks can vary from a small installation with a few objects, to global-scale directories with millions of objects.
Related topics: Domain controller, Flexible single master operation | Windows 2000 and later server versions
Group Policy | Provides centralized management of user and computer settings in an Active Directory environment. Group policy can control a target object's registry, NTFS security, audit and security policy, software installation, logon/logoff scripts, folder redirection, and Internet Explorer settings. Policy settings are stored in Group Policy Objects (GPOs), and may be linked to one or more sites, domains or organizational units.
Related topics: Administrative Templates | Windows 2000 and later
Internet Information Services | Web server | Windows NT family

## File systems

Component  | Description  | Supported by

|
|

FAT12, FAT16 | The original file systems used with MS-DOS. The standard file systems used with Windows 1.0 through Windows 95.  | All versions
FAT32 | Extensions to FAT supporting larger disk sizes. The standard file system for Windows 98 and Me.  | Windows 95 OSR2 and later versions
NTFS | Standard file system of Windows NT; supports security via access-control lists, as well as file system journaling and file-system metadata. Windows 2000 added support for reparse points (making NTFS junction points and Single instance storage possible), Hard links, file compression, and Sparse files. Encryption of data is provided by Encrypting File System. Symbolic links and transactioning of file operations via Transactional NTFS are features new to Windows Vista. Although Windows 9x operating systems cannot read or write NTFS formatted disks, they can access the data over a network if it is shared by a computer running Windows NT.  | Windows NT (all versions)
ISO 9660 (CDFS)  | The predominant file system for CD-ROM and DVD-ROM media. Windows includes support for Joliet extensions and the ISO 9660:1999 standard. ISO 9660:1999 is supported since Windows XP.  | MS-DOS and Windows 9x via extensions, such as MSCDEX.EXE (Microsoft CDROM Extension), natively in Windows NT 3.5
Universal Disk Format (UDF)  | A file system for storing files on optical media. It is an implementation of the ISO/IEC 13346 standard (also known as ECMA-167). It is considered to be a replacement of ISO 9660. Successive versions of Windows have supported newer versions of UDF.  | Windows 98, Windows 2000, Windows XP, Windows Server 2003, Windows Vista
HPFS | High-Performance File system, used on OS/2 computers. Read and write capability in Windows 95 (where it also listed network computer NTFS-formatted drives as "HPFS", even though it had no direct NTFS capabilities). HPFS write support was dropped in Windows NT 4.0 and Windows 98, and dropped altogether shortly before the release of Windows 2000.  | Windows 95 (Read/write), Windows 98, Windows NT (read), 3.1/3.51 (read/write/boot)
ReFS  | A newer file system, based on NTFS. This system adds built-in integrity checking and removes the need for chkdsk, among other features. The maximum partition size is 1 YB.  | Windows Server 2012, Windows 8.1

## Core components

Component  | Acronym  | Description

|
|

Windows kernel (Windows NT)
Ntoskrnl.exe  |  | The Windows kernel image. Provides the kernel and executive layers of the kernel architecture, and is responsible for services such as hardware virtualization, process and memory management, etc.
hal.dll  | HAL  | Provides and handles the interaction between software and hardware via the Hardware Abstraction Layer.
kernel32.dll  |  | This application provides kernel operations to apps in the Win32 mode, like memory management, I/Os, process creation, etc.
Core processes (Windows NT)
System Idle Process  | SIP  | A counter which measures how much idle capacity the CPU has at any given time. The process runs in the background and monitors processing bandwidth, occupied memory and the Windows virtual paging file.
Session Manager Subsystem  | SMSS  | Performs several critical boot-time operations, such as the creation of environment variables, starting CSRSS, and performing file-copy operations that were queued up from before the system was booted (pending file rename operations). During system operation, it handles Windows File Protection and the creation of logon sessions via Winlogon.
Client/Server Runtime Subsystem  | CSRSS  | User-mode side of the Win32 subsystem. Provides the capability for applications to use the Windows API.
Local Security Authority Subsystem Service | LSASS  | Responsible for enforcing the security policy on the system. Verifies users logging on to the computer and creates security tokens.
Winlogon |  | Responsible for handling the secure attention key, loading the user profile on logon, and optionally locking the computer when a screensaver is running. On Windows NT systems prior to Windows Vista, Winlogon is also responsible for loading GINA libraries which are responsible collecting logon credentials from the user.
Svchost.exe |  | A generic host process name for services that run from dynamic-link libraries (DLLs). Several Svchost processes are typically present on a Windows machine, each running in a different security context, depending on what privileges the contained services require.
Windows on Windows and WoW64  | WoW  | An abstraction layer that allows legacy code to operate on more modern versions of Windows; typically this means running 16-bit Windows applications on 32-bit Windows, and 32-bit applications on 64-bit Windows.
Virtual DOS machine | NTVDM  | Allows MS-DOS apps to run on Intel 80386 or higher computers when there is already another operating system running and controlling the hardware. Introduced in Windows 2.1; not available in any 64-bit edition of Windows.
System startup (Windows NT)

Main article: Booting process of Windows

NTLDR, IA64ldr, Winload  |  | The bootloader; performs basic system initialization options such as loading the hardware abstraction layer and boot-time device drivers, prior to passing control to the Windows kernel. In versions prior to Vista, NTLDR and IA64ldr also display menus to the user if multiple operating systems are defined in boot.ini, or if F8 is pressed.
Recovery Console |  | Provides the means for administrators to perform a limited range of tasks using a command line interface, primarily to aid in recovering from situations where Windows does not boot successfully.
ntdetect.com |  | Used during the boot process to detect basic hardware components that may be required during the boot process
Windows Boot Manager |  | In Windows Vista and later operating systems, displays boot menus to the user if multiple operating systems are configured in the system's Boot Configuration Data.
Graphical subsystem
Desktop Window Manager | DWM  | The compositing manager introduced in Windows Vista that handles compositing and manages special effects on screen objects in a graphical user interface
Graphics Device Interface | GDI/GDI+  | The kernel graphics component for representing graphical objects and transmitting them to output devices such as monitors and printers
Windows USER |  | The Windows USER component provides core user interface, messaging and visual elements

## Services

This list is not all-inclusive.

Display name  | Service key name  | Description  | Introduced

|
|
|

Active Directory Service  | NTDS  | Network Authentication Management  | Windows 2000 Server
Alerter service  | Alerter  | Sends administrative alerts over the network to client computers, administrators and users  | Windows NT
Application Layer
Gateway service | ALG  | Provides support for plugins that allow network protocols to pass through Windows Firewall and work behind Internet Connection Sharing | Windows 2000
Application Experience service  |  | Processes application compatibility cache requests for applications as they launch[6] |
Application Management  | AppMgmt  | Processes requests to enumerate, install, and remove applications that are installed on the computer or deployed through an organization's network  | Windows 2000
Background Intelligent
Transfer Service | BITS  | Transfers files between machines using idle network bandwidth. Used by Windows Update, Windows Server Update Services, and Systems Management Server to deliver software updates to clients, as well as by Windows Messenger.  | Windows XP
Computer Browser | Browser  | Crawls neighboring computers on the network and locates shared resources. One of the computers acts as the Master Browser and supplies this information to other computers designated as browsers.[7] | Windows for Workgroups
Delivery Optimization  | DoSvc  | A peer-to-peer distribution service that downloads Windows updates and Microsoft Store apps from the local network or Internet peers, and redistributes them to others. Can be configured using either the Settings app or Group Policy. The Settings app can turn it on or off, and specify whether the service operates on the local network only, downloads from and uploads to the Internet peers as well. Group Policy allows finer control.[8][9] Delivery Optimization relies on a centralized web service that does not index contents under 10 MB. Computers without Internet access cannot use Delivery Optimization.[10] | Windows 10 Anniversary Update[8]
Distributed Link Tracking  | TrkWks, TrkSrv  | Used to track links to files on NTFS volumes. Windows uses these services to find linked files if they are renamed or moved (locally or to another machine).[11] | Windows 2000
Distributed Transaction
Coordinator  | MSDTC  | Allows transactional components to be configured through COM+ by coordinating transactions that are distributed across multiple computers and/or resource managers, such as databases, message queues, file systems, and other transaction–based resource managers.[12] | Windows 2000 and later NT-based
DNS Client | DNSCache  | Resolves and caches domain names (e.g. “en.wikipedia.org”) to IP addresses  | Windows 2000
Event Log | EventLog  | Stores and retrieves events that can be viewed in the event viewer. Part of services.exe.[13] | Windows NT
Extensible Authentication Protocol | EAPHost  | Provides EAP authentication to connecting clients  | Windows 2000
Indexing Service | CISVC  | Indexes contents and properties of files on local and remote computers; provides rapid access to files through flexible querying language.[14] | Windows 2000 and later NT-based
Interactive Services Detection  | UI0Detect  | For compatibility; when a service-displayed user interface is detected, it gives the user an option to switch to Session0 to see it  | Windows Vista
Internet Connection Sharing (ICS) | SharedAccess  | When enabled, it allows other computers on the local network to access an internet connection that is available to the host computer  | Windows 2000;[15] Windows Vista onward[16]
Network Location Awareness  | NLA  | Manages network configurations and information, and notifies applications of changes  | Windows XP
Network Store Interface Service  | NSIS  | Collects routing information of active network interfaces, shares this with other services and notifies applications of changes  | Windows XP
NTLM Security Support Provider | NTLMSSP  | Uses the NTLM MS-CHAP protocol to encapsulate and negotiate options in order to provide signed and sealed communication. Deprecated now in favor of Kerberos authentication.  | Windows NT
Peer Name Resolution Protocol | PNRPSvc  | Resolves domain names using Peer Name Resolution Protocol  | Windows XP
Plug and Play | PlugPlay  | Enables autodetection and configuration of hardware  | Windows 2000
Windows Print spooler (fr)  | Spooler  | Manages printer devices and moves files into memory for printing  | Windows 95, Windows NT
Remote Procedure Call (RPC) | RpcSs  | Provides Remote Procedure Call features via remotely accessible Named Pipes  | Windows NT family
Routing and Remote Access Service | RRAS  | API and server software that enables applications to administer the routing and remote-access service capabilities of the operating system, to function as a network router.  | Windows 2000
Secondary Logon  | SecLogon  | Allows users to run apps with a different account than the one they logged in with. Allows non-administrative accounts to perform administrative tasks.[17]
Security Account Manager | SamSs  | Manages user account security information  | Windows NT family
System Event Notification Service  | SENS  | Monitors system events, such as network, power, logon, logoff, terminal services session connection and disconnection, and delivers these to applications and other system components.[18] | Windows 2000
Superfetch | SysMain  | Monitors file usage patterns and boosts system speed by caching frequently accessed files to RAM[19] | Windows Vista
Task Scheduler  | Schedule  | Lets users setup and schedule automated tasks  | Microsoft Plus! for Windows 95
TCP/IP NetBIOS Helper  | LmHosts  | Enables support for NetBIOS over TCP/IP (NetBT) service and NetBIOS name resolution  | Windows NT family
Volume Shadow Copy | VSS  | Creates multiple versions of files that change. The ability to store persistent snapshots was added in Windows Server 2003.[20] | Windows XP
Windows Audio  | AudioSrv  | Manages audio devices for Windows-based apps. Controls all audio functions.  | Windows XP
Windows Error Reporting | WERSvc  | Generates error logs and reports errors. On Windows Vista and later, it notifies of solutions.  | Windows XP
Windows Firewall | MpsSvc  | Blocks unauthorized network connections to and from the computer  | Windows Vista
Windows Firewall(née Internet Connection Sharing) | SharedAccess  | Provides a simple firewall feature which was introduced in Windows XP. It also shares the internet on the local network, if the internet connection sharing feature is turned on.[21] | Windows XP only[22][23]
Windows Image Acquisition (WIA) | STISvc  | Handles scanner and camera inputs  | Windows Me
Windows Time  | W32Time  | Synchronizes the system time with external time servers. From Windows Server 2003 forward, full and compliant NTP support is provided.[24] | Windows 2000
Windows Update | WUAUServ  | Provides updates for the operating system and its installed components  | Windows XP
Wireless Zero Configuration | WZCSvc (XP), WLANSvc  | Configures and manages 802.11 wireless adapters  | Windows XP, Server 2003 only
Windows Messenger service  | Messenger  | Allows users to send pop-up messages to other computers over the network  | Windows NT family
WebClient[25] |  | Enables Windows-based apps to create and interact with Internet-based files  | Windows XP

## DirectX

* Direct3D
* DirectDraw
* DirectInput
* DirectMusic
* DirectPlay
* DirectShow
* DirectSound
* DirectX Media Objects
* DirectX plugin
* DirectX Video Acceleration

## Networking

* Administrative share
* Distributed File System
* My Network Places (formerly Network Neighborhood)
* Network Access Protection
* Remote Installation Services
* Server Message Block
* Windows Rights Management Services

## Scripting and command-line

* Batch file
* CHKDSK
* Cmd.exe
* ComSpec
* Ipconfig
* Net / Net Send
* Netdom.exe: Windows Domain Manager
* Netsh
* Netstat
* QBasic
* Regsvr32
* Robocopy
* Win32 console
* Windows Script Host
* Windows PowerShell
* XCOPY

## Kernel

* Commit charge
* Kernel Transaction Manager
* Win32 Thread Information Block

## .NET Framework

* Assembly
* CLI Languages
* Metadata
* .NET Remoting
* ADO.NET
* ASP.NET
* Base Class Library
* Common Intermediate Language
* Common Language Infrastructure
* Common Language Runtime
* Common Type System
* Virtual Execution System
* Windows CardSpace
* Windows Communication Foundation
* Windows Forms
* Windows Presentation Foundation
* Windows Workflow Foundation

## Security

Component  | Description  | Introduced

|
|

AppLocker  | Policy-based component that enables or disables execution of software based on rules such as location, properties and digital signature  | Windows 7 Professional, Enterprise and Ultimate editions
Windows Server 2008 R2
BitLocker Drive Encryption  | Disk encryption software, designed to protect data by providing encryption for entire volumes | Windows Vista Enterprise and Ultimate editions,
Windows Server 2008
Credential Guard  | Virtualization-based isolation of stored credentials to prevent theft and pass-the-hash attacks.  | Windows 10 Enterprise, Education, IoT Enterprise, or,
Windows Server 2016
Data Execution Prevention  | Security feature that is intended to prevent an application or service from executing code from a non-executable memory region  | Windows XP Service Pack 2
Encrypting File System | File system driver that provides file system-level encryption  | Windows 2000
Security Account Manager | Database stored as a registry file  | Windows NT 3.1
SYSKEY  | Utility that encrypts the hashed password information in a SAM database using a 128-bit encryption key  | Windows NT 4.0 Service Pack 3
User Account Control  | Technology and security infrastructure utility that aims to improve the security of Microsoft Windows by limiting application software to standard user privileges until an administrator authorizes an increase  | Windows Vista,
Windows Server 2008
Windows Firewall | Utility designed to block unauthorized access while permitting authorized communications. An earlier edition known as Internet Connection Firewall that was disabled by default was included with the original Windows XP release.  | Windows XP Service Pack 2
Windows Defender | Security utility to prevent, remove and quarantine malware (viruses, Trojan horses, etc.)  | Downloadable for Windows XP and Windows Server 2003
Windows Resource Protection | Protects Registry keys and folders in addition to critical system files  | Windows Vista

## Deprecated components and apps

Component  | Description  | Category  | Introduced  | Last OS included  | Superseded by

|
|
|
|
|

3D Pinball  | Pinball game  | Game  | Plus! 95 for Windows 95 | Windows XP | N/A
ActiveMovie | Streaming media technology  | API | Windows 95 | Windows Me | DirectShow
Cardfile  | Personal information manager | Personal organizer  | Windows 1.0 | Windows Me | Outlook Express, Windows Mail, or Windows Live Mail
Chess Titans | Chess game  | Game  | Windows Vista | Windows 7 | Microsoft Chess
DriveSpace | Disk compression utility  | Data compression  | MS-DOS | Windows Me | N/A
Windows DVD Maker | DVD authoring software  | Video  | Windows Vista | Windows 7 | N/A
File Manager | File manager app  | File manager  | Windows 3.0 | Windows Me | Windows Explorer
FreeCell | FreeCell game  | Game  | Win32s | Windows 7 | Microsoft Solitaire Collection
Hearts | Version of the Hearts game using Black Lady scoring  | Game  | Windows for Workgroups 3.11  | Windows 7 | Microsoft Hearts
Windows Insider |  |  | Windows 10 Version 1507  | Windows 10 Version 1511  | Feedback Hub
Windows Help and Support  | Online and offline reference manual for troubleshooting.  | Utility  | Windows Me | Windows 8.1 | Microsoft Tips or Get Started
HyperTerminal  | Communication utility based on a low end version of HyperACCESS | Communication  | Windows 95 | Windows XP | N/A
Hold 'Em  | Version of the Texas hold 'em game  | Game  | Windows Vista | Windows Vista | N/A
Hover! | Video game in a combination of bumper cars and capture the flag  | Game  | Windows 95 | Windows 95 | N/A
InkBall | Game where the user tries to get colored balls into the correct holes  | Game  | Windows XP Tablet PC Edition  | Windows Vista | N/A
Internet Explorer | Web browser  | Web browser and FTP client. See also: Internet Explorer versions, Features, History, Removal, Browser Helper Objects  | Microsoft Plus! for Windows 95 | Windows 10 | Microsoft Edge
Microsoft Mahjong | Version of the Mahjong solitaire game  | Game  | Windows Vista | Windows 7 | Microsoft Mahjong
Windows Mail | E-mail client  | E-mail  | Windows Vista | Windows Vista | Mail (Windows)
Internet Mail and News  | E-mail and news client  | E-mail  | Windows 95 | Windows 95 | Outlook Express, Windows Mail, or Windows Live Mail
Minesweeper | Version of the minesweeper game  | Game  | Microsoft Entertainment Pack, Windows 3.1 | Windows 7 | Microsoft Minesweeper
Media Control Interface | An app that can play media files and record sound by passing commands as strings.  | API  | Windows 3.0 | Windows Me | N/A
Windows Media Player | Digital media player app  | Media player  | Windows 3.0 Multimedia Extensions  | Windows 10 | Media Player, Movies & TV, or Groove Music
Microsoft Calendar  | Calendaring app  | Personal organizer  | Windows 1.0 | Windows 3.1 | Windows Calendar, Windows Live Mail, or the Calendar app for Windows
Microsoft Diagnostics  | Tool that provides detailed technical information about user's software and hardware  | Diagnostics  | MS-DOS | Plus! 95 for Windows 95 | Microsoft System Information
Microsoft Fax | Faxing app  | Fax  | Windows 95 | Windows XP | Windows Fax and Scan
Microsoft Private Folder  | Tool to protect private data  | Personal organizer  | Windows XP | Windows XP |
Windows Help | Documentation browser that used a proprietary format  | Online help  | Windows 3.0 | Windows XP | Microsoft Help
Windows Feedback  |  |  | Windows 10 Version 1507  | Windows 10 Version 1511  | Feedback Hub
NTBackup | Built-in backup app  | Backup  | Downloadable for Windows NT 4.0 | Windows XP, Windows Server 2003 | Backup and Restore, Windows Server Backup
Outlook Express | E-mail client  | E-mail  | Internet Explorer 4 | Windows XP | Windows Mail or Windows Live Mail
Paint | Simple graphics painting app  | Application  | Windows 1.0 | N/A  | N/A
Program Manager | Shell composed of a task-oriented graphical user interface, consisting of icons (shortcuts for apps) arranged into app groups.  | GUI  | Windows 3.0 | Windows XP | Windows Explorer
Purble Place | Educational game for children, teaching pattern recognition, shapes, and colors  | Game  | Windows Vista | Windows 7 | N/A
Reader  | e-book reader  | e-book reader  | Windows 8 | Windows 10 Creators Update  | Microsoft Edge (PDF), XPS Viewer (XPS), Photos (TIFF)[26]
Reversi  | Version of Reversi.  | Game  | Windows 1.0 | Windows 3.0 | Internet Reversi only on Windows Me and Windows XP
Solitaire | Klondike Solitaire game  | Game  | Windows 3.0 | Windows 7 | Microsoft Solitaire Collection
Spider Solitaire | Spider Solitaire game  | Game  | Microsoft Plus! 98  | Windows 7 | Microsoft Solitaire Collection
System File Checker | Utility that allows users to scan for and restore corruptions in Windows system files  | Security  | Windows 98 | Windows Server 2003 | Windows Resource Protection
Tinker | Puzzle game in which the player controls a robot through various mazes and obstacle courses  | Game  | Windows Vista | Windows Vista | N/A
Video for Windows | Multimedia framework  | API  | Windows 3.1 | Windows 95 | DirectShow
Windows Address Book | List of contacts that can be shared by multiple apps  | Contact manager  | Internet Explorer 3 | Windows XP | Windows Contacts, People, or Windows Live Mail
Windows Desktop Gadgets | Widget engine for Microsoft Gadgets | User interface  | Windows Vista | Windows 7 | Live tiles
Windows File Protection  | Sub-system in the operating system, aims to prevent apps from replacing critical Windows system files.  | Security  | Windows Me as System File Protection  | Windows XP | Windows Resource Protection
Windows Journal | Notetaking application that allows for the creation of handwritten notes  | Accessories  | Windows XP Tablet PC Edition  | Windows 10 Threshold 2 | General improvements in Ink API
Windows Messaging | E-mail client  | E-mail  | Windows 95 | Windows 95 | Internet Mail and News, Windows Mail, or Windows Live Mail
Windows Messenger | Instant messaging client  | Internet messaging  | Windows XP | Windows XP, Windows Server 2003 | Windows Live Messenger or Skype
Windows Movie Maker | Non-linear video editing software  | Video  | Windows Me | Windows Vista | Windows Live Movie Maker or Microsoft Photos
Microsoft NetMeeting | Video conferencing client  | Web conference  | Windows 95 OSR2  | Windows XP | Windows Meeting Space
Windows Photo Gallery | Image organizer | Photo  | Windows Vista | Windows Vista | Windows Live Photo Gallery or Microsoft Photos
Windows Picture and Fax Viewer  | Image viewer  | Photo  | Windows XP | Windows XP | Windows Photo Gallery, Windows Fax and Scan, Windows Live Photo Gallery, Windows Photo Viewer, or Microsoft Photos
WordPad | Simple word processor with basic formatting, successor to Microsoft Write. It has facilities to format and print text, but lacks intermediate features such as a spell checker and thesaurus.  | Word processor  | Windows 95 | Windows 11, version 23H2 | None
Microsoft Write | Simple word processor | Word processor  | Windows 1.0 | Windows NT 3.51 | WordPad

## APIs

* ClearType
* Media Foundation
* Windows Driver Foundation
* Windows Imaging Component
* Windows Management Instrumentation

## Miscellaneous (to be categorized)

* ActiveSync
* Compatibility Appraiser collects telemetry information.[27]
* DMRC (Device Metadata Retrieval Client) interfaces to metadata about devices from Windows 7 onwards.[28]
* I/O technologies
* Macro Recorder
* Microsoft Agent
* Prefetcher
* ReadyBoost
* Sync Center
* Text Services Framework
* Universal Audio Architecture
* Windows Color System
* Windows Diagnostic Infrastructure (WDI)[29]
* Windows Mobile Device Center
* Windows Rally
* Windows Registry
* Windows Speech Recognition
* XML Paper Specification

## See also

* Outline of Microsoft
* List of Unix daemons
* List of games included with Windows

## References

1. ↑ Shultz, Greg (February 28, 2015). "Control Panel and Settings: Why are both still UI options in Windows 10?" (in en-US). https://www.techrepublic.com/article/control-panel-and-settings-uis-why-are-both-still-options-in-windows-10/.
2. ↑ "Get $Windows Camera from the Microsoft Store". https://apps.microsoft.com/store/detail/windows-camera/9WZDNCRFJBBG?hl=en-us&gl=us.
3. ↑ "Xbox Support". https://support.xbox.com/en-US/help/games-apps/game-setup-and-play/use-spotify-in-xbox-game-bar-on-windows-10.
4. ↑ Hoffman, Chris (January 4, 2021). "How to See FPS in Any Windows 10 Game (Without Extra Software)" (in en-US). https://www.howtogeek.com/706162/how-to-see-fps-in-any-windows-10-game-without-extra-software/.
5. ↑ The Xbox Game Bar Team (May 22, 2019). "Introducing the New Xbox Game Bar" (in en-US). Microsoft. https://news.xbox.com/en-us/2019/05/22/introducing-the-new-xbox-game-bar/.
6. ↑ "System Services". Microsoft. 2014. https://technet.microsoft.com/en-us/library/dd349799(v=ws.10).aspx. "The Application Experience service (AELookupSvc) is a part of the Application Compatibility Administrator. It processes application compatibility lookup requests for applications as they are started, provides support for Windows Server 2008 and Windows Vista–based computers running apps in compatibility mode, reports on compatibility issues, and automatically applies software updates to apps."
7. ↑ "Description of the Microsoft Computer Browser Service". Microsoft. http://support.microsoft.com/kb/188001/.
8. ↑ 8.0 8.1 Mackie, Kurt (August 16, 2016). "Microsoft Clarifies Windows 10 'Delivery Optimization'". 1105 Enterprise Computing Group. https://rcpmag.com/articles/2016/08/16/windows-10-delivery-optimization.aspx.
9. ↑ Hachman, Mark (March 29, 2017). "How Delivery Optimization in Windows 10 Creators Update helps avoid data overage fees". IDG. https://www.pcworld.com/article/3178472/windows/turn-on-this-new-windows-10-creators-update-feature-to-avoid-data-overage-fees.html.
10. ↑ Halfin, Dani; Poggemeyer, Liza; Lich, Brian; Kieselbach, Oliver; Childs, Andrew (April 30, 2018). "Configure Delivery Optimization for Windows 10 updates". Microsoft. https://docs.microsoft.com/en-us/windows/deployment/update/waas-delivery-optimization.
11. ↑ "Distributed Link Tracking on Windows-based domain controllers". Microsoft. https://support.microsoft.com/kb/312403.
12. ↑ "Distributed Transaction Coordinator (MSDTC)". Microsoft. https://msdn.microsoft.com/en-us/library/aa940166.aspx.
13. ↑ "Event Log". Microsoft. https://msdn.microsoft.com/en-us/library/aa939451.aspx.
14. ↑ "What is Indexing Service?". Microsoft. http://msdn.microsoft.com/en-us/library/ms689718.aspx.
15. ↑ "Windows 2000 Professional and Server Service Pack 4 Services Configuration by Black Viper" , notice that the service is listed on this page. Retrieved April 2013
16. ↑ "Windows Firewall" . Retrieved April 2013
17. ↑ "Secondary Logon (Run As): Starting Programs and Tools in Local Administrative Context". Microsoft Corporation. http://support.microsoft.com/kb/225035.
18. ↑ "System Event Notification Service". The Elder Geek. http://www.theeldergeek.com/system_event_notification.htm.
19. ↑ "Myth Busted: Why Disabling SuperFetch on Vista and Windows 7 Is a Bad Idea", retrieved April 2013
20. ↑ "What Is Volume Shadow Copy Service?: Data Recovery". Microsoft Corporation. https://technet.microsoft.com/en-us/library/cc757854.aspx.
21. ↑ "Windows Firewall/Internet Connection Sharing (ICS)" , Retrieved April 2013
22. ↑ "Windows 2000 Professional and Server Service Pack 4 Services Configuration by Black Viper" , Notice the absence of the service on this page. Retrieved April 2013
23. ↑ "Windows Firewall/Internet Connection Sharing (ICS)" , Notice that XP is the operating system listed. Retrieved April 2013
24. ↑ "How Windows Time Service Works: Windows Time Service". Microsoft Corporation. https://technet.microsoft.com/en-us/library/cc773013.aspx.
25. ↑ Minasi, Mark; Layfield, Rhonda; Justice, Lisa (2006). Mastering Windows Server 2003: upgrade edition for SP1 and R2 (12 ed.). John Wiley & Sons. p. 56. ISBN 978-0-470-05645-5. https://books.google.com/books?id=aAUJAQAAMAAJ. Retrieved July 21, 2010. "There is also a client piece for WebDAV built into XP, 2003, R2, and Vista, called the WebClient Service."
26. ↑ "Microsoft replaces standalone PDF reader app with Edge". November 26, 2017. https://mspoweruser.com/microsofts-replaces-standalone-pdf-reader-app-edge/.
27. ↑ Leonhard, Woody (April 20, 2015). "KB 2952664 triggers daily telemetry run in Windows 7 -- and may be snooping on users: Microsoft bills the 'compatibility update' as way to ease the upgrade process to Windows 10 -- but it's collecting data daily". InfoWorld, Inc.. http://www.infoworld.com/article/2911609/operating-systems/kb-2952664-compatibility-update-for-win7-triggers-unexpected-daily-telemetry-run-may-be-snooping.html. "The Microsoft Compatibility Appraiser task runs %windir%\system32\rundll32.exe appraiser.dll,DoScheduledTelemetryRun with the description 'Collects program telemetry information if opted-in to the Microsoft Customer Experience Improvement Program.'"
28. ↑ Compare: Tulloch, Mitch; Northrup, Tony; Honeycutt, Jerry; Wilson, Ed (2010). Windows 7 Resource Kit. Windows 7 Resource Kit, Microsoft Corporation. 1. Microsoft Press. p. 708. ISBN 9780735627000. https://books.google.com/books?id=f-opAQAAMAAJ. Retrieved August 18, 2016. "The DMRC [(Device Metadata Retrieval Client)] checks the computer's local metadata cache and metadata store for metadata that applies to the device."
29. ↑ Solomon, David A.; Russinovich, Mark E.; Ionescu, Alex (June 17, 2009). Windows Internals. Developer Reference (5 ed.). Microsoft Press (published 2009). ISBN 9780735637962. https://books.google.com/books?id=WZdCAwAAQBAJ. Retrieved October 24, 2016. "The Windows Diagnostic Infrastructure (WDI) helps to detect, diagnose, and resolve common problem scenarios with minimal user intervention."

* v
* t
* e

Microsoft Windows components

Management
tools|

* App Installer
* Command Prompt
* Control Panel
* Applets
* Device Manager
* Disk Cleanup
* Disk Defragmenter
* Driver Verifier
* DxDiag
* Event Viewer
* IExpress
* Management Console
* Netsh
* Performance Monitor
* Recovery Console
* Resource Monitor
* Settings
* Sysprep
* System Configuration
* System File Checker
* System Information
* System Policy Editor
* System Restore
* Task Manager
* Windows Error Reporting
* Windows Ink
* Windows Installer
* PowerShell
* Windows Update
* Windows Insider
* WinRE
* WMI

Apps|

* Alarms & Clock
* Calculator
* Calendar
* Camera
* Character Map
* Cortana
* Edge
* Fax and Scan
* Feedback Hub
* File Manager
* Get Help
* Groove Music
* Magnifier
* Mail
* Messaging
* Maps
* Media Player
* Movies & TV
* Mobility Center
* Money
* News
* Narrator
* Notepad
* OneDrive
* OneNote
* Paint
* Paint 3D
* People
* Phone Companion
* Photos
* Quick Assist
* Snipping Tool
* Speech Recognition
* Skype
* Sports
* Sticky Notes
* View 3D
* Store
* Tips
* Voice Recorder
* Wallet
* Weather
* Windows To Go
* Windows Story Remix
* WordPad
* Xbox Console Companion
* Your Phone

Shell|

* Action Center
* Aero
* AutoPlay
* AutoRun
* ClearType
* Explorer
* Search
* Indexing Service
* IFilter
* Saved search
* Namespace
* Special folder
* Start menu
* Taskbar
* Task View
* Windows Spotlight
* Windows XP visual styles

Services|

* Service Control Manager
* BITS
* CLFS
* Multimedia Class Scheduler
* Shadow Copy
* Task Scheduler
* Error Reporting
* Wireless Zero Configuration

File systems|

* CDFS
* DFS
* exFAT
* IFS
* FAT
* NTFS
* Hard link
* Junction point
* Mount Point
* Reparse point
* Symbolic link
* TxF
* EFS
* ReFS
* UDF

Server|

* Domains
* Active Directory
* DNS
* Group Policy
* Roaming user profiles
* Folder redirection
* Distributed Transaction Coordinator
* MSMQ
* Windows Media Services
* Rights Management Services
* IIS
* Remote Desktop Services
* WSUS
* SharePoint
* Network Access Protection
* PWS
* DFS Replication
* Remote Differential Compression
* Print Services for UNIX
* Remote Installation Services
* Windows Deployment Services
* System Resource Manager
* Hyper-V
* Server Core

Architecture|

* Architecture of Windows NT
* Startup process
* NT
* Vista
* CSRSS
* Desktop Window Manager
* Portable Executable
* EXE
* DLL
* Enhanced Write Filter
* Graphics Device Interface
* hal.dll
* I/O request packet
* Imaging Format
* Kernel Transaction Manager
* Library files
* Logical Disk Manager
* LSASS
* MinWin
* NTLDR
* Ntoskrnl.exe
* Object Manager
* Open XML Paper Specification
* Registry
* Resource Protection
* Security Account Manager
* Server Message Block
* Shadow Copy
* SMSS
* System Idle Process
* USER
* WHEA
* Win32 console
* Winlogon
* WinUSB

Security|

* Security and Maintenance
* AppLocker
* BitLocker
* Credential Guard
* Data Execution Prevention
* Family Safety
* Kernel Patch Protection
* Mandatory Integrity Control
* Protected Media Path
* User Account Control
* User Interface Privilege Isolation
* Windows Defender
* Windows Firewall

Compatibility|

* COMMAND.COM
* Virtual DOS machine
* Windows on Windows
* WoW64
* Windows Subsystem for Linux

API|

* Active Scripting
* WSH
* VBScript
* JScript
* COM
* ActiveX
* ActiveX Document
* COM Structured storage
* DCOM
* OLE
* OLE Automation
* Transaction Server
* DirectX
* .NET Framework
* Universal Windows Platform
* Windows Mixed Reality
* Windows Runtime
* WinUSB

Games|

* Solitaire Collection

Discontinued|

| Games|

* 3D Pinball
* Chess Titans
* FreeCell
* Hearts
* InkBall
* Hold 'Em
* Purble Place
* Reversi
* Spider Solitaire
* Solitaire
* Tinker

|

Apps|

* ActiveMovie
* Anytime Upgrade
* Address Book
* Backup and Restore
* Cardfile
* CardSpace
* CD Player
* Contacts
* Desktop Gadgets
* Diagnostics
* DriveSpace
* DVD Maker
* Easy Transfer
* Fax
* Food & Drink
* Help and Support Center
* Health & Fitness
* HyperTerminal
* Internet Explorer
* Journal
* Media Center
* Meeting Space
* Messaging
* Messenger
* Mobile Device Center
* Movie Maker
* MSN Dial-up
* NetMeeting
* NTBackup
* Outlook Express
* Travel
* Photo Gallery
* Photo Viewer
* Program Manager
* Steps Recorder
* Syskey
* WinHelp
* Write

Others|

* ScanDisk
* File Protection
* Media Control Interface
* Next-Generation Secure Computing Base
* POSIX subsystem
* Interix
* Video for Windows
* Windows SideShow
* Windows Services for UNIX
* Windows System Assessment Tool
* WinFS

Spun off to
Microsoft Store|

* DVD Player
* Hover!
* Mahjong
* Minesweeper

0.00

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