Updated: July 9, 2020 (February 2, 2004)

  Charts & Illustrations

Past Windows Client Versions

Rob Helm by
Rob Helm

As managing vice president, Rob Helm covers Microsoft collaboration and content management. His 25-plus years of experience analyzing Microsoft’s technology... more

Windows 2000 and Windows XP are the only fully supported Windows Client OSs. All support for Windows NT 4.0 Workstation ends June 30, 2004, and only security-related hotfixes are available in the meantime. The Extended support phase for Windows 98, Windows 98 Second Edition, and Windows Me ends June 30, 2006.

Product Current
Service Pack
Mainstream
Support Ends
Release
History
Windows NT 4.0 Workstation SP6a: Nov. 30, 1999 June 30, 2002 Released: July 1996

SP1: Sept. 1996

SP2: Dec. 1996

SP3: Apr. 1997

SP4: Oct. 1998

SP5: May 1999

Windows 2000 Professional SP4: June 26, 2003 Mar. 31, 2005 Released: Feb. 2000

SP1: July 2000

SP2: May 2001

SP3: Aug. 2002

Windows XP Professional
(code-named Whistler)
SP1a: Sept. 4, 2002 Dec. 31, 2006 Released: Sept. 2001
Windows XP Tablet PC Edition SP1a: Sept. 4, 2002 Dec. 31, 2006 Released: Nov. 2002





















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