QDOS 0.1 86-DOS 0.3 86-DOS 1.0 PC-DOS 1.00 august 1980 december 1980 april 1981 august 12, 1981
Interface Manager (development) september 1981
Closed Systems february 8, 2003 Éric Lévénez 2000-2003
MS-DOS 2.12 1983
PC-DOS 1.10 PC-DOS 2.0 PC-DOS 2.10 june 1982 march 1983 october 1983
Windows (announced) november 10, 1983 MS-DOS 3.05 november 1984
PC-DOS 3.0 PC-DOS 3.10 august 1984 november 1984
Windows 1.0 Windows 1.01 november 20, 1985 1985 MS-DOS 3.3 MS-DOS 3.3 MS-DOS 3.31 (announced) august 1987 november 1987 april 2, 1987
PC-DOS 3.20 PC-DOS 3.30 january 1986 april 1987
Windows 2.0 Windows 1.03 Windows 2.0 1986 (announced) april 2, 1987 december 9, 1987
Windows /386 Windows /386 2.0 (announced) december 9, 1987 april 2, 1987
MS OS/2 1.0 april 2, 1987 MS-DOS 4.01 december 1988
PC-DOS 4.0 august 1988
Windows /286 2.1 june 28, 1988
Windows /386 2.1 june 28, 1988
OS/2 1.1 october 31, 1988 MS-DOS 5.0 june 1991
Windows 3.0 Windows 3.0 (+ Multimedia Extensions) may 22, 1990 october 20, 1991
Windows NT (announced) october 1991 MS-DOS 5.0a MS-DOS 6.0 MS-DOS 6.2 1992 march 30, 1993 november 1993
PC-DOS 5.02 PC-DOS 6.00 august 1992 1993
Windows 4 Chicago Windows 3.1 Windows 3.11 april 6, 1992 (announced) july 4, 1992
Windows for Windows for Workgroups 3.1 Workgroups 3.11 october 27, 1992 november 8, 1993
Windows NT (beta) Windows NT 3.1 november 11, 1992 july 27, 1993
OS/2 2.0 march 1992 MS-DOS 6.21 MS-DOS 6.22 MS-DOS 7.0 march 2, 1994 march 11, 1994 august 24, 1995
PC-DOS 6.30 PC-DOS 7 1994 february 28, 1995
Windows 95 Windows 95 ( Chicago beta) Windows 95 Service Pack 1 august 9, 1994 august 24, 1995 december 31, 1995
Windows NT 3.5 Windows NT 3.51 (Daytona) june 1995 september 6, 1994 MS-DOS 7.10 august 1996
PC-DOS 7 revision 1
Windows 95A Windows 95B Windows 95B Memphis Windows 95C (OSR1) (OSR2) (OSR2.1) (beta 1) (OSR2.5) february 1996 august 1996 april 1997 june 1997 november 1997
Windows NT 5.0 (beta 1) september 27, 1997
Windows NT 4.0 Windows NT 4.0 Windows NT 4.0 (Cairo) Service Pack 3 Option Pack august 24, 1996 1997 december 1997
Windows CE 2.0 Windows CE 1.0 Windows CE 1.1 november 1996 november 1997 PC-DOS 2000 may 26, 1998
Windows 98 Windows 98 Windows 98 (Memphis) Second Edition SP1 june 25, 1998 may 5, 1999 june 25, 1999
Windows NT 5.0 Windows 2000 Windows 2000 (beta 2) (announced) (beta 3) august 20, 1998 october 27, 1998 april 29, 1999
Windows NT 4.0 Windows NT 4.0 Service Pack 4 Service Pack 5 october 1998 may 1999
Windows NT Embedded 4.0 (beta 1) february 22, 1999
Windows NT (Hydra) Terminal Serveur Edition june 1998
Windows CE 2.1 Windows CE 2.11 july 1998 1988 Windows Millennium Edition (beta 2) november 29, 1999
Windows 2000 Windows 2000 Windows 2000 Windows 2000 (Release (RC 2) (RC 3) (final release RTM) Candidate 1) september 15, 1999 november 11, 1999 december 15, 1999 july 2, 1999
Windows NT 4.0 Service Pack 6 october 1999
Windows NT Embedded 4.0 september 27, 1999
Windows NT TSE Service Pack 4 december 9, 1999
Windows CE 2.11 (build 9015) september 28, 1999 Windows Me Windows Me (beta 3) (final release) Windows Me april 7, 2000 june 9, 2000 september 14, 2000
Whistler Embedded beta 1 december 19, 2000
Windows .NET Windows .NET Windows .NET Windows .NET (announced) (Whistler alpha) (Whistler alpha 2) (Whistler beta 1) june 22, 2000 july 11, 2000 august 28, 2000 october 31, 2000
Windows 2000 Windows 2000 Service Pack 1 february 17, 2000 july 27, 2000
Windows 2000 Datacenter Server Windows 2000 Datacenter Server Windows 2000 (beta 2) Datacenter Server may 23, 2000 (release candidate 1) july 26, 2000 september 26, 2000
Windows NT 4.0 Whistler Server Whistler Server Service Pack 6a (alpha) (beta 1) 2000 june 30, 2000 october 31, 2000
Embedded Whistler (beta 1) december 18, 2000
Windows NT TSE Service Pack 5 Windows 2000 Server march 27, 2000
Windows CE for Automotive 2.0 (beta) Car.NET january 6, 2000 (announced)
Windows CE 3.0 april 19, 2000
Stinger (announced) august 2000
Pocket-PC (announced) january 6, 2000 Windows XP Embedded Windows XP Embedded (Impala beta 1) (Impala beta 2) april 10, 2001 september 5, 2001
Neptune
Windows XP Windows XP Windows .NET Windows XP Windows XP (release Windows XP (Whistler build 2410) (announced) (beta 2) (RC2) (OEM) candidate 1) july 24, 2001 january 2, 2001 february 5, 2001 march 23, 2001 june 30, 2001 september 24, 2001 Odyssey
Windows 2000 Service Pack 2 may 16, 2001
Whistler Server Windows 2002 Server Windows .NET Server (beta 2) (announced) (announced) march 23, 2001 april 30, 2001 june 19, 2001
Windows CE for Automotive 3.5 (announced) december 5, 2001
Windows CE 4.0 Windows CE.NET (Talisker beta) (Talisker beta 2) februray 7, 2001 august 13, 2001
Stinger (beta) february 22, 2001
PocketPC 2002 (Merlin) september 6, 2001 Windows XP Embedded Windows XP Embedded Service Pack 1 november 30, 2001 october 22, 2002
Windows XP 64-bit Windows XP Edition 2003 Media Center Edition (announced) october 31, 2002 july 8, 2002
Windows Longhorn (alpha build 3683) november 19, 2002
Windows XP Windows XP SE Windows XP Professional (announced) Service Pack 1 october 25, 2001 march 22, 2002 september 9, 2002 Windows XP Home Edition october 25, 2001 Windows 2000 Windows 2000 SRP1 Service Pack 3 january 30, 2002 august 1, 2002
Windows XP Tablet Edition Windows XP Tablet PC Edition Windows XP (announced) (beta) Tablet PC Edition november 11, 2001 june 25, 2002 november 7, 2002
Windows .NET Server Windows .NET Server Windows .NET Server Windows .NET Server 2003 (Whistler Server beta 3) (Pre-RC1 build 3604) (RC1) (announced) november 19, 2001 february 11, 2002 july 24, 2002 november 18, 2002
Windows Advanced Server Limited Edition 1.2 Windows Advanced Server (announced) Limited Edition 1.2 july 8, 2002 october 2002
Windows 2000 Server Service Pack 3 july 18, 2002
Windows CE for Automotive 3.5 april 22, 2002
Windows CE .NET Windows CE .NET 4.1 january 7, 2002 july 30, 2002
PocketPC 2002 Windows Powered Windows Powered Phone Edition Smartphone 2002 Smartphone 2002 february 19, 2002 (announced) october 22, 2002 february 19, 2002
Windows CE Windows CE Mira for Smart Displays for Smart Displays (announced) (announced) (re-announced) january 7, 2002 june 26, 2002 october 15, 2002 Windows (.NET) Longhorn (announced) january 29, 2003
Windows XP Service Pack 1a february 3, 2003
Windows 2000 SP4 beta december 19, 2002
Windows .NET Server 2003 Windows Server 2003 (RC2) (announced) december 2, 2002 january 7, 2003