Also called "Win2K" and "W2K," Windows 2000 was a major upgrade to Windows NT 4, launched in early 2000. Available in one client and three server versions, Windows 2000 added support for Plug and ...

Windows NT 4.0 SP6a contains known Year 2000 updates for Windows NT 4.0. Available to all customers, this version provides standard encryption capabilities for computers running on the Intel (x86 ...