Windows NT

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Windows NT is a proprietary graphical operating system produced by Microsoft as part of its Windows product line, the first version of which was released on July 27, 1993, and it lives on today since the latest version of Windows, 11, includes its technology.

Quick facts: Developer, Written in, Working state, Source ...
Windows NT
Written inC, Assembly language
(user mode applications, kernel graphical subsystem)
(user mode applications)[1]
Working stateCurrent
Source model
Initial releaseJuly 27, 1993; 30 years ago (1993-07-27)
(as Windows NT 3.1)
Latest release23H2 (10.0.22631.3155) (February 13, 2024; 3 days ago (2024-02-13)[2]) [±]
Latest preview
Release Preview Channel

23H2 (10.0.22631.3227) (February 15, 2024; 1 day ago (2024-02-15)[3][4]) [±]

Beta Channel

23H2 (10.0.22635.3209) (February 16, 2024; 0 days ago (2024-02-16)[5]) [±]

Dev Channel

24H2 (10.0.26058.1100) (February 14, 2024; 2 days ago (2024-02-14)[6]) [±]

Canary Channel
24H2 (10.0.26058.1000) (February 14, 2024; 2 days ago (2024-02-14)[6]) [±]
Update methodWindows Update, Windows Server Update Services
PlatformsIA-32, x86-64, ARM and ARM64 (and historically Intel i860, DEC Alpha, Itanium, MIPS, and PowerPC)
Kernel typeHybrid [citation needed] (NT)
Influenced byRSX-11, VAXELN, OpenVMS, MICA, Mach (kernel)
MS-DOS, OS/2, Windows 3.1x (userland)
user interface
Graphical (Windows shell)
LicenseDepending on version, edition or customer choice: Trialware, commercial software, volume licensing, OEM-only, SaaS, S+S[lower-alpha 1]

Windows NT also denotes major technology advancements that it introduced to the Windows product line including eliminated the 16-bit memory access limitations of earlier Windows releases. Each Windows release that includes its technology is considered to be based on if not a revision of Windows NT even though the Windows NT name has not been used since 1996.

Windows NT provides many features including:

  • pure 32-bit memory access -- earlier, consumer-oriented versions, Windows 3.1x and Windows 9x, were 16-bit/32-bit hybrids

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