Windows over the years...

Microsoft Support Life-Cycle Index

1975

August 12, 1981

March, 1983

November, 1984

April, 1986

February 15, 1994

August 24, 1995

August 24, 1996

June 25, 1998

May 5, 1999

February 17, 2000

September 14, 2000

October 25, 2001

September 9, 2002

February 3, 2003

August 25, 2004

MS-DOS 1.0 ships with the new IBM Personal Computer

MS-DOS 2.0

MS-DOS 3.1

MS-DOS 3.2

Windows for Workgroups 3.11

Windows 95

Windows NT 4.0

Windows 98

Windows 98 Second Edition

Windows 2000 products

Windows Millennium Edition

Windows XP Home & Professional

Windows XP Service Pack 1

Windows XP Service Pack 1a

Windows XP Service Pack 2