China DOS Union

Windows desktop operating system support lifecycle
Posted: May 22, 2003
Windows 3.00
Product availability: June 1, 1990
Mainstream support: June 1, 1990 - December 31, 2001
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows 3.10
Product availability: March 1, 1992
Mainstream support: March 1, 1992 - December 31, 2001
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows 3.11
Product availability: November 1, 1993
Mainstream support: November 1, 1993 - December 31, 2001
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows For Workgroups 3.10
Product availability: October 1, 1992
Mainstream support: October 1, 1992 - December 31, 2001
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows For Workgroups 3.11
Product availability: November 1, 1993
Mainstream support: November 1, 1993 - December 31, 2001
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows NT Workstation 3.1
Product availability: July 26, 1993
Mainstream support: July 26, 1993 - December 31, 2000
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows NT Workstation 3.5
Product availability: September 8, 1994
Mainstream support: September 8, 1994 - December 31, 2000
Extended support: This product has reached the end of its entire lifecycle; we no longer provide support services for it.
Windows NT Workstation 3.51
Product availability: May 30, 1995
Mainstream support: May 30, 1995 - December 31, 2000
Extended support: December 31, 2000 - December 31, 2001 (This product has reached the end of its entire lifecycle; we no longer provide support services for it)
Windows NT Workstation 4.xx
Product availability: July 29, 1996
Mainstream support: July 29, 1996 - June 30, 2002
Extended support: June 30, 2002 - June 30, 2003
Windows 95
Product availability: August 15, 1995
Mainstream support: August 15, 1995 - December 31, 2000
Extended support: December 31, 2000 - December 31, 2001 (This product has reached the end of its entire lifecycle; we no longer provide support services for it)
Windows 98
Product availability: June 30, 1998
Mainstream support: June 30, 1998 - June 30, 2002
Extended support: June 30, 2002 - January 16, 2004
Windows 98 Second Edition
Product availability: June 30, 1999
Mainstream support: June 30, 1999 - June 30, 2002
Extended support: June 30, 2002 - January 16, 2004
Windows 2000 Professional
Product availability: March 31, 2000
Mainstream support: March 31, 2000 - March 31, 2005
Extended support: March 31, 2005 - March 31, 2007
Windows Millenium Edition
Product availability: December 31, 2000
Mainstream support: December 31, 2000 - December 31, 2003
Extended support: December 31, 2003 - December 31, 2004
Windows XP Professional
Product availability: December 31, 2001
Mainstream support: December 31, 2001 - December 31, 2006
Extended support: December 31, 2006 - December 31, 2008
Windows XP Home Edition
Product availability: December 31, 2001
Mainstream support: December 31, 2001 - December 31, 2006
Notes
Product availability: The period during which the product is available.
Mainstream support: The period during which standard support services are available (for example: no-charge incident support, paid incident support, hourly support services, support under warranty terms, hotfix support, and online self-help support information).
Extended support: The extended phase of support services. This support may be hourly paid support services, and may include hotfix support. During the extended support phase, Microsoft does not accept support requests for warranty support, design changes, or the addition of new features.

What are you doing? Posting two threads in a row...... makes me want to start swearing......