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Windows NT
 | |
| Developer | Microsoft, with Dave Cutler as the lead architect |
|---|---|
| Written in | C, Assembly language (core) C++ (user mode applications, kernel graphical subsystem) C# (user mode applications)[1] |
| Working state | Current |
| Source model | |
| Initial release | July 27, 1993 (as Windows NT 3.1) |
| Latest release | 24H2 (10.0.26100.3037) (January 28, 2025[2]) [±] |
| Latest preview |
24H2 (10.0.26100.3037) (January 28, 2025[3][4]) [±]
23H2 (10.0.22635.4805) (January 24, 2025[5]) [±]
24H2 (10.0.26120.3000) (January 24, 2025[6]) [±]
|
| Update method | Windows Update, Windows Server Update Services |
| Platforms | IA-32, x86-64, ARM and ARM64 (and historically Intel i860, DEC Alpha, Itanium, MIPS, and PowerPC) |
| Kernel type | Hybrid [citation needed] (NT) |
| Influenced by | RSX-11, VAXELN, OpenVMS, MICA, Mach (kernel) MS-DOS, OS/2, Windows 3.1 (userland) |
| Default user interface | Graphical (Windows shell) |
| License | Depending on version, edition or customer choice: Trialware, commercial software, volume licensing, OEM-only, SaaS, S+S[a] |
| Official website | windows |
Windows NT is a proprietary graphical operating system produced by Microsoft as part of its Windows product line, the first version of which, Windows NT 3.1, was released on July 27, 1993. Originally made for the workstation, office, and server markets, the Windows NT line was made available to consumers with the release of Windows XP in 2001. The underlying technology of Windows NT continues to exist to this day with incremental changes and improvements, with the latest version of Windows based on Windows NT being Windows Server 2025 announced in 2024.[8]
The name "Windows NT" originally denoted the major technological advancements that it had introduced to the Windows product line, including eliminating the 16-bit memory access limitations of earlier Windows releases such as Windows 3.1 and the Windows 9x series. Each Windows release built on this technology is considered to be based on, if not a revision of Windows NT, even though the Windows NT name itself has not been used in many other Windows releases since Windows NT 4.0 in 1996.
Windows NT provides many more features than other Windows releases, among them being support for multiprocessing, multi-user systems, a "pure" 32-bit kernel with 32-bit memory addressing, support for instruction sets other than x86, and many other system services such as Active Directory and more. Newer versions of Windows NT support 64-bit computing, with a 64-bit kernel and 64-bit memory addressing.
- ^ Lextrait, Vincent (January 2010). "The Programming Languages Beacon" (v10.0 ed.). Archived from the original on May 30, 2012. Retrieved January 4, 2010.
- ^ "January 28, 2025—KB5050094 (OS Build 26100.3037) Preview". Microsoft Support. Microsoft.
- ^ "Releasing Windows 11 Build 26100.3025 to the Release Preview Channel". Windows Insider Blog. January 21, 2025.
- ^ "January 28, 2025—KB5050094 (OS Build 26100.3037) Preview". Microsoft Support. Microsoft.
- ^ "Announcing Windows 11 Insider Preview Build 22635.4805 (Beta Channel)". Windows Insider Blog. January 24, 2025.
- ^ "Announcing Windows 11 Insider Preview Build 26120.3000 (Dev Channel)". Windows Insider Blog. January 24, 2025.
- ^ "Announcing Windows 11 Insider Preview Build 27783 (Canary Channel)". Windows Insider Blog. January 29, 2025.
- ^ LeGrow, Ian (November 4, 2024). "Windows Server 2025 now generally available, with advanced security, improved performance, and cloud agility". Microsoft. Archived from the original on December 6, 2024.
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