"Windows 5" and "Windows 6" redirect here. For the Microsoft Windows version with kernel version of 5.0, see Windows 2000. For the Microsoft Windows version with kernel versions of 5.1 and 5.2, see Windows XP. For the Microsoft Windows version with kernel version of 6.0, see Windows Vista.
Windows NT
Developer
Microsoft
Written in
C, Assembly language (core) C++ (user mode applications, kernel graphical subsystem) C# (user mode applications)[1]
Depending on version, edition or customer choice: Trialware, commercial software, volume licensing, OEM-only, SaaS, S+S[a]
Official website
windows.com
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.
The Windows NT name denotes major technology advancements that it introduced to the Windows product line including eliminating 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:
multiprocessing
multi-user
pure 32-bit memory access — earlier, consumer-oriented versions, Windows 3.1x and Windows 9x, were 16-bit/32-bit hybrids
Multi-architecture support — initially instruction set architectures including IA-32, MIPS, and DEC Alpha; support for PowerPC, Itanium, x64, and ARM were added later and later still: x86 (including IA-32 and x64) and ARM
Many system services including: Windows shell, Windows API, Native API, Active Directory, Group Policy, Hardware Abstraction Layer, NTFS, BitLocker, Windows Store, Windows Update, and Hyper-V
^Lextrait, Vincent (January 2010). "The Programming Languages Beacon" (v10.0 ed.). Retrieved January 4, 2010.
^"April 23, 2024—KB5036980 (OS Builds 22621.3527 and 22631.3527) Preview". Microsoft Support. Microsoft.
^"Releasing Windows 11 Builds 22621.3520 and 22631.3520 to the Release Preview Channel". Windows Insider Blog. April 11, 2024.
^"April 23, 2024—KB5036980 (OS Builds 22621.3527 and 22631.3527) Preview". Microsoft Support. Microsoft.
^"Announcing Windows 11 Insider Preview Build 22635.3566 (Beta Channel)". Windows Insider Blog. April 26, 2024.
^"Announcing Windows 11 Insider Preview Build 26100 (Canary and Dev Channels)". Windows Insider Blog. April 3, 2024.
^"Announcing Windows 11 Insider Preview Build 26200 (Canary Channel)". Windows Insider Blog. April 19, 2024.
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