Name
|
Version
|
Release date
|
Codename
|
Additional information
|
Editions
|
Unsupported as of
|
Windows 1.0x
|
Windows 1.00
|
1.00
|
November 6, 1985
|
Interface Manager
|
Beta version
|
|
Non-released
|
Windows 1.01
|
1.01
|
November 20, 1985
|
First release of Windows
|
December 31, 2001
|
|
Windows 1.02
|
1.02
|
May 14, 1986
|
|
Windows 1.03
|
1.03
|
August 21, 1986
|
|
Windows 1.04
|
1.04
|
April 10, 1987
|
|
Windows 2.0x
|
Windows 2.00
|
2.00
|
December 9, 1987
|
|
They doesn't work with Intel 80486 processors
|
|
December 31, 2001
|
Windows 2.01
|
2.01
|
|
Windows 2.02
|
2.02
|
|
Windows 2.03
|
2.03
|
|
Windows 2.1x
|
Windows 2.1
|
2.1
|
May 27, 1988
|
|
|
- Windows/286
- Windows/386
- Windows/486
|
December 31, 2001
|
Windows 2.11
|
2.11
|
March 13, 1989
|
|
|
Windows 3.0x
|
Windows 3.00
|
3.00
|
May 22, 1990
|
|
Like Windows 2.1x, Windows 3.0x does work with Intel 80486 processors
|
N/A
|
December 31, 2001
|
Windows 3.01
|
3.01
|
October 20, 1991
|
|
Sometimes called Windows Graphical Environment with Multimedia Extensions 1.0
|
Windows 3.1x
|
Windows 3.1
|
3.1
|
April 6, 1992
|
Janus
|
|
N/A
|
December 31, 2001
|
Windows for Workgroups 3.1
|
3.1
|
October 1992
|
Kato, Sparta
|
|
Windows 3.11
|
3.11
|
November 8, 1993
|
Janus
|
|
Windows for Workgroups 3.11
|
3.11
|
August 11, 1993
|
Snowball
|
|
Windows 3.2
|
3.2
|
November 22, 1993
|
Janus
|
Chinese version of Windows 3.1x
|
Windows for Workgroups 3.2
|
3.2
|
December 1993
|
Cougar
|
Chinese version of Windows for Workgroups 3.1x
|
Windows 9x
|
Windows 95
|
4.0
|
August 24 ,1995
|
Chicago
|
|
- Windows 95
- Windows 95 Service Pack 1 (December 31, 1995)
- Windows 95 Service Pack 1.1 (February 14, 1996)
- Windows 95 Service Pack 2 (August 24, 1996)
- Windows 95 USB Supplement to Service Pack 2 (August 27, 1997)
- Windows 95 Service Pack 2.1 (August 27, 1997)
- Windows 95 Service Pack 2.5 (November 26, 1997)
|
December 31, 2001
|
Windows 96
|
4.1
|
May 3, 1996
|
Cleveland, Nashville
|
|
- Windows 96
- Windows 96 Service Pack 1 (1997)
|
Windows 97
|
June 24, 1997
|
Detroit
|
|
N/A
|
December 31, 2004
|
Windows 98
|
4.2
|
June 21, 1998
|
Memphis
|
In winver, it says 4.10, like Windows 96.
|
N/A
|
July 11, 2006
|
Windows 99
|
April 23, 1999
|
98 SE
|
Also known as Windows 98 Second Edition
|
N/A
|
Windows Me
|
4.9
|
September 14, 2000
|
Millennium
|
|
N/A
|
Windows NT
|
Windows NT 3.1
|
NT 3.1
|
July 27, 1993
|
AXP
|
NT version of Windows 3.1
|
- Windows NT 3.1 Workstation
|
December 31, 2001
|
Windows NT for Workgroups 3.1
|
Razzle
|
NT version of Windows for Workgroups 3.1
|
N/A
|
Windows NT 3.11
|
NT 3.11
|
January 24, 1994
|
NT OS/2
|
NT version of Windows 3.11.
|
- Windows NT 3.11 Workstation
|
Windows NT for Workgroups 3.11
|
October 8, 1993
|
Razzle
|
NT version of Windows for Workgroups 3.11.
|
N/A
|
Windows NT 3.2
|
NT 3.2
|
1994
|
NT 3.2
|
NT version of Windows 3.2 or Chinese version of Windows NT 3.11.
|
- Windows NT 3.2 Workstation
|
Windows 3.5
|
NT 3.5
|
September 21, 1994
|
Daytona
|
|
|
Windows 3.51
|
NT 3.51
|
May 30, 1995
|
|
|
Windows NT 4.0
|
NT 4.0
|
August 24, 1996
|
Shell Update Release
|
|
- Windows NT 4.0 Workstation
|
December 3, 2004
|
Windows NT 5.0
|
NT 5.0
|
February 17, 2000
|
NT 5.0
|
|
- Windows NT 5.0 Workstation
|
July 13, 2010
|
Windows 2000
|
Memphis
|
|
- Windows 2000 Professional
|
Windows XP
|
NT 5.1
|
October 25, 2001
|
Whistler
|
|
- Windows XP Starter
- Windows XP Home
- Windows XP Professional
- Windows XP 64-bit Edition
- Windows Fundamentals for Legacy PCs (July 8, 2006)
|
April 8, 2014
|
Windows XP Professional x64 Edition
|
NT 5.2
|
April 25, 2005
|
N/A
|
|
N/A
|
Windows Longhorn
|
NT 6.0
|
April 1, 2005
|
Longhorn
|
A beta version of Windows Vista.
|
- Windows Longhorn Professional
|
July 14, 2015
|
Windows Vista
|
January 30, 2007
|
Six
|
|
- Windows Vista Starter
- Windows Vista Home Basic
- Windows Vista Home Premium
- Windows Vista Business
- Windows Vista Enterprise
- Windows Vista Ultimate
|
April 11, 2017
|
Windows Vienna
|
NT 6.1
|
December 12, 2008
|
Blackcomb, Vienna
|
A beta version of Windows 7.
|
- Windows Vienna Starter
- Windows Vienna Home Basic
- Windows Vienna Home Premium
- Windows Vienna Business
- Windows Vienna Enterprise
- Windows Vienna Ultimate
|
January 14, 2020
|
Windows 7
|
October 22, 2009
|
Seven
|
|
- Windows 7 Starter
- Windows 7 Home Basic
- Windows 7 Home Premium
- Windows 7 Professional
- Windows 7 Enterprise
- Windows 7 Ultimate
- Windows Thin PC
|
Windows 7.1
|
NT 6.11
|
February 22, 2011
|
7.1
|
|
- Windows 7.1 Starter
- Windows 7.1 Home Basic
- Windows 7.1 Home Premium
- Windows 7.1 Professional
- Windows 7.1 Enterprise
- Windows 7.1 Ultimate
- Windows 7.1 Thin PC
|
Windows 8
|
NT 6.2
|
October 26, 2012
|
Jupiter, Eight
|
|
- Windows 8
- Windows 8 Pro
- Windows 8 Home
- Windows 8 Enterprise
- Windows 8 Core
- Windows 8 OEM
|
January 10, 2023
|
Windows 8.1
|
NT 6.3
|
October 17, 2013
|
Blue
|
|
- Windows 8.1
- Windows 8.1 Pro
- Windows 8.1 Home
- Windows 8.1 Enterprise
- Windows 8.1 Core
- Windows 8.1 OEM
- Windows 8.1 with Bing
|
Windows 8.11
|
April 8, 2014
|
8.1 Update 1
|
An updated version of Windows 8.1.
|
- Windows 8.11
- Windows 8.11 Pro
- Windows 8.11 Home
- Windows 8.11 Enterprise
- Windows 8.11 Core
- Windows 8.11 OEM
- Windows 8.11 with Bing
|
Windows 9
|
NT 6.4
|
September 12, 2014
|
Technical Preview
|
|
- Windows 9
- Windows 9 Pro
- Windows 9 Home
- Windows 9 Enterprise
- Windows 9 Core
|
2024 or 2025
|
Windows 10
|
NT 10.0
|
July 29, 2015
|
Threshold
|
Also known as Windows X
|
- Windows 10 Home
- Windows 10 Pro
- Windows 10 Pro Education
- Windows 10 Pro for Workstations
- Windows 10 Enterprise
- Windows 10 Enterprise LTSC (formerly LTSB)
- Windows 10 Education
- Windows 10 IoT Core
- Windows 10 IoT Enterprise
- Windows 10 S (now an operational mode within Enterprise and Education)
|
October 14, 2025
|
Windows 2020
|
2020
|
20H1
|
A successor to Windows 10 19H2. Not yet finished.
|
- Windows 2020 Home
- Windows 2020 Pro
- Windows 2020 Pro Education
- Windows 2020 Pro for Workstations
- Windows 2020 Enterprise
- Windows 2020 Enterprise LTSC
- Windows 2020 Education
- Windows 2020 IoT Core
- Windows 2020 IoT Enterprise
- Windows 2020 S
|
Not yet released
|