Updated: July 9, 2020 (February 27, 2006)

Past Windows Client Versions

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

Chart of past Windows client OS versions.

Product

Current Service Pack
or Version

Mainstream
Support Ends

Extended
Support Ends

Release History

Windows 2000 Professional

SP4; June 26, 2003

(An update rollup with additional critical fixes shipped June 2005)

Ended June 30, 2005

2010 (est.)

Released: Mar. 2000

SP1: July 2000

SP2: May 2001

SP3: Aug. 2002

Windows XP Professional

SP2; Sept. 17, 2004

2008 (est.)

2013 (est.)

Released: Sept. 2001

SP1a; Sept. 4, 2002

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