1980 1981
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 september 10, 2003 Éric Lévénez 2000-2003
MS-DOS 1.24 MS-DOS 1.25 MS-DOS 2.01 MS-DOS 2.11 june 1982 july 1982 may 1983 december 1983
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 1984 1985
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 1986 1987
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 (CP/DOS) april 2, 1987 1988 1989
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
Windows Windows N-Ten Windows NT (alpha) (alpha) (alpha) november 1988 january 1989 april 1989
OS/2 1.1 SE OS/2 1.1 EE OS/2 1.2 (Trimaran) 1989 (Sloop) october 31, 1988 october 1989 1990 1991
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
OS/2 1.3 (Cutter) december 1990 1992 1993
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 Windows 3.1 Chicago april 6, 1992 (announced) Windows 3.11 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
Win-OS/2 1992
OS/2 2.0 OS/2 2.1 OS/2 for Windows (Gruiser) (Borg) (Ferengi) march 1992 may 1993 october 1993 1994 1995
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) may 30, 1995 september 21, 1994
Citrix WinFrame september 1995
OS/2 2.11 OS/2 2.11 SMP OS/2 Warp 3.0 OS/2 Warp Connect february 1994 june 1994 (Warp) may 1995 october 1994 1996 1997
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
OS/2 Warp Server OS/2 Warp 4.0 1996 (Merlin) september 1996 1998
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
OS/2 Warp Server for e-Business 1999 1999
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 2000
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 2001
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
eComStation OS/2 v1.0 october 4, 2001
Stinger (beta) february 22, 2001 PocketPC 2002 (Merlin) september 6, 2001 2002
Windows XP Embedded Windows XP Embedded Service Pack 1 november 30, 2001 october 22, 2002
Windows XP 64-bit Edition 2003 (announced) Windows XP july 8, 2002 Media Center Edition (Freestyle) october 31, 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 Mira Windows CE Windows CE (announced) for Smart Displays for Smart Displays january 7, 2002 (announced) (re-announced) june 26, 2002 october 15, 2002
Windows Powered Windows Powered PocketPC 2002 Smartphone 2002 Smartphone 2002 Phone Edition (announced) october 22, 2002 february 19, 2002 february 19, 2002 2003
Windows XP 64-bit for AMD processor (announced) april 9, 2003
Windows XP 64-bit Edition Version 2003 (RTM) march 28, 2003
Windows .NET Windows .NET Windows Server System Longhorn XP Longhorn Longhorn (Longhorn) Professional (announced) (alpha 2 build 4008) (announced) (alpha 3 build 4015) january 29, 2003 february 28, 2003 april 16, 2003 april 2003
Windows XP Windows XP Service Pack 1a SP2 beta (build 1204) february 3, 2003 april 17, 2003
Windows 2000 Windows 2000 SP4 beta Service Pack 4 december 19, 2002 june 25, 2003
Windows XP Tablet PC Edition (MUIRP beta) march 12, 2003 Windows .NET Windows Windows Windows Server 2003 Windows Server 2003 Server 2003 Server 2003 Server 2003 (Standard, Datacenter, (RC2) (announced) (SP1 beta build 1023) (RTM) Enterprise, Web Server) july 3, 2003 december 2, 2002 january 7, 2003 march 12, 2003 april 24, 2003 Windows Server 2003 Windows Server 2003 Small Business Edition Small Business Edition (announced) (RC1) april 23, 2003 july 1, 2003 Windows Server 2003 for 64-bit Itanium 2 Systems (Datacenter, Enterprise) april 24, 2003 Windows Server 2003 for AMD processor 64-bit (announced) april 9, 2003
Windows CE .NET 4.2 (McKendric) april 23, 2003 Mira (MUIRP beta) march 12, 2003 eComStation v1.1 may 24, 2003 Windows Powered Windows Mobile 2003 Smartphone 2002 for Smartphone (update) (announced) february 24, 2003 june 23, 2003 PocketPC 2003 (Ozone) Windows Mobile 2003 (announced) for Pocket PC june 23, 2003 Windows XP 64-bit Edition for AMD64, Version 2003 (beta build 1039) september 2, 2003
Windows Storage Server 2003 september 10, 2003
Windows Server 2003 for AMD 64-bit Systems (beta build 1039) september 2, 2003
Smartphone 2003 SDK august 15, 2003