Windows 2000
Operating system
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Windows 2000 is a major release of the Windows NT operating system developed by Microsoft and designed for businesses as the direct successor to Windows NT 4.0. Wikipedia
Initial release date: February 17, 2000
Version number: Windows NT 5.0
Default user interface: Windows shell (Graphical)
Final release: Service Pack 4 with Update Rollup (5.0.2195) / September 13, 2005; 18 years ago
License: Proprietary commercial software
Marketing target: Business and Server
Platforms: IA-32 (including PC-98) (Alpha in alpha, beta, and release candidate versions)