Windows NT

Windows NT is a proprietary graphical operating system produced by Microsoft, the first version of which was released on July 27, 1993. It is a processor-independent, multiprocessing and multi-user operating system.

Windows NT
DeveloperMicrosoft
Written inC, Assembly language
(core)
C++, C#
(user mode applications (C++ is used in the kernel graphical subsystem))[1]
Working stateCurrent
Source model
Initial releaseJuly 27, 1993; 28 years ago (1993-07-27)
(as Windows NT 3.1)
Latest release10.0.22000.348 (November 22, 2021; 5 days ago (2021-11-22)[2]) [±]
Latest preview10.0.22504.1010 (November 19, 2021; 8 days ago (2021-11-19)[3]) [±]
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 (NT)
Influenced byRSX-11, VAXELN, OpenVMS, MICA, MS-DOS, OS/2, Windows 3.1x
Default
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]
Official websitewww.microsoft.com/windows/

The first version of Windows NT was Windows NT 3.1 and was produced for workstations and server computers. It was intended to complement consumer versions of Windows that were based on MS-DOS (including Windows 1.0 through Windows 3.1x). Gradually, the Windows NT family was expanded into Microsoft's general-purpose operating system product line for all personal computers, deprecating the Windows 9x family.

"NT" was formerly expanded to "New Technology" but no longer carries any specific meaning. Starting with Windows 2000,[4] "NT" was removed from the product name and is only included in the product version string along with several low-level places within the system.[5]

NT was the first purely 32-bit version of Windows, whereas its consumer-oriented counterparts, Windows 3.1x and Windows 9x, were 16-bit/32-bit hybrids. It is a multi-architecture operating system. Initially, it supported several instruction set architectures, including IA-32, MIPS, and DEC Alpha; support for PowerPC, Itanium, x64, and ARM were added later. The latest versions support x86 (including IA-32 and x64) and ARM. Major features of the Windows NT family include Windows Shell, Windows API, Native API, Active Directory, Group Policy, Hardware Abstraction Layer, NTFS, BitLocker, Windows Store, Windows Update, and Hyper-V.


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