Personal computer versions
In this section, a client version of Windows is a version that end-users or OEMs can install on personal computers, including desktop computers, laptops and workstations.
| Name
|
Version
|
Release date
|
Codename
|
Additional information
|
Editions
|
| Windows 1.0x
|
| Windows 1.00
|
1.00
|
November 6, 1985
|
Interface Manager
|
First release of Windows
|
N/A
|
| Windows 1.01
|
1.01
|
November 20, 1985
|
|
| 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 1.05
|
1.05
|
August 21, 1987
|
|
| Windows 2.0x
|
| Windows 2.00
|
2.00
|
December 9, 1987
|
|
|
N/A
|
| Windows 2.01
|
2.01
|
|
|
| Windows 2.02
|
2.02
|
|
|
| Windows 2.03
|
2.03
|
|
|
| Windows 2.04
|
2.04
|
|
|
| Windows 2.1x
|
| Windows 2.1
|
2.1
|
May 27, 1988
|
|
|
- Windows/286
- Windows/386
- Windows/486
|
| Windows 2.11
|
2.11
|
March 13, 1989
|
|
|
| Windows 3.0x
|
| Windows 3.00
|
3.00
|
May 22, 1990
|
|
|
N/A
|
| 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
|
| 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)
|
| Windows 96
|
4.1
|
May 3, 1996
|
Cleveland, Nashville
|
|
- Windows 96
- Windows 96 Service Pack 1 (1997)
|
| Windows 98
|
4.2
|
June 21, 1998
|
Memphis
|
|
- Windows 98 First Edition
- Windows 98 Second Edition (April 23, 1999)
|
| 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
|
| 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
|
| Windows NT 5.0
|
NT 5.0
|
February 17, 2000
|
Memphis, NT 5.0
|
|
- Windows NT 5.0 Workstation
|
| Windows XP
|
NT 5.1
|
October 25, 2001
|
Whistler
|
|
- Windows XP Starter
- Windows XP Home Basic
- Windows XP Home Premium
- Windows XP Professional
- Windows XP 64-bit Edition
- Windows Fundamentals for Legacy PCs (July 8, 2006)
|
| Windows XP Professional x64 Edition
|
NT 5.2
|
April 25, 2005
|
N/A
|
|
N/A
|
| Windows Vista
|
NT 6.0
|
January 30, 2007
|
Longhorn
|
|
- Windows Vista Starter
- Windows Vista Home Basic
- Windows Vista Home Premium
- Windows Vista Professional
- Windows Vista Business
- Windows Vista Enterprise
- Windows Vista Ultimate
|
| Windows 7
|
NT 6.1
|
October 22, 2009
|
Blackcomb, Vienna, 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
|
Chicago
|
|
- 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 Professional
- Windows 8 Enterprise
- Windows 8 OEM
|
| Windows 8.1
|
NT 6.3
|
October 17, 2013
|
Blue
|
|
- Windows 8.1
- Windows 8.1 Professional
- Windows 8.1 Enterprise
- Windows 8.1 OEM
- Windows 8.1 with Bing
|
| Windows 10
|
NT 10.0
|
2015
|
Threshold
|
|
- Windows 10 Home Edition
- Windows 10 Professional
- Windows 10 Professional Education
- Windows 10 Professional 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)
|
| 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
|
Server versions
| Name
|
Version
|
Release date
|
Codename
|
Additional information
|
Editions
|
| Windows NT 3.1
|
NT 3.1
|
July 27, 1993
|
AXP
|
NT version of Windows 3.1
|
- Windows NT 3.1 Server
- Windows NT 3.1 Advanced Server
|
| Windows NT 3.11
|
NT 3.11
|
1993
|
NT OS/2
|
NT version of Windows 3.11
|
- Windows NT 3.11 Server
- Windows NT 3.11 Advanced Server
|
| 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 Server
- Windows NT 3.2 Advanced Server
|
| Windows 3.5
|
NT 3.5
|
September 20, 1994
|
Daytona
|
|
|
| Windows 3.51
|
NT 3.51
|
May 29, 1995
|
|
|
| Windows NT 4.0
|
NT 4.0
|
July 29, 1996
|
Shell Update Release
|
|
- Windows NT 4.0 Server
- Windows NT 4.0 Enterprise Server
- Windows NT 4.0 Terminal Server
|
| Windows Server 2000
|
NT 5.0
|
February 17, 2000
|
Memphis Server, Server 5
|
A server counterpart of Windows NT 5.0.
|
- Windows Server 2000
- Windows Advanced Server 2000
- Windows Datacenter Server 2000
|
| Windows Server 2003
|
NT 5.2
|
April 24, 2003
|
Whistler Server
|
|
- Windows Standard Server 2003
- Windows Enterprise Server 2003
- Windows Datacenter Server 2003
- Windows Web Server 2003
- Windows Storage Server 2003
- Windows Small Business Server 2003
|
| Windows Server 2003 R2
|
December 6, 2005
|
Whistler Server R2
|
|
- Windows Standard Server 2003 R2
- Windows Enterprise Server 2003 R2
- Windows Datacenter Server 2003 R2
- Windows Web Server 2003 R2
- Windows Storage Server 2003 R2
- Windows Small Business Server 2003 R2
- Windows Compute Cluster Server 2003
- Windows Home Server
|
| Windows Server 2008
|
NT 6.0
|
February 27, 2008
|
Longhorn Server
|
|
- Windows Standard Server 2008
- Windows Enterprise Server 2008
- Windows Datacenter Server 2008
- Windows Server 2008 for Itanium-based Systems
- Windows Foundation Server 2008
- Windows Essential Business Server 2008
- Windows HPC Server 2008
- Windows Small Business Server 2008
- Windows Storage Server 2008
- Windows Web Server 2008
|
| Windows Server 2008 R2
|
NT 6.1
|
October 22, 2009
|
Longhorn Server R2, Server 7
|
|
- Windows Foundation Server 2008 R2
- Windows Standard Server 2008 R2
- Windows Enterprise Server 2008 R2
- Windows Datacenter Server 2008 R2
- Windows Server 2008 R2 for Itanium-based Systems
- Windows Web Server 2008 R2
- Windows Storage Server 2008 R2
- Windows HPC Server 2008 R2
- Windows Small Business Server 2010
- Windows Home Server 2010
- Windows MultiPoint Server 2010
|
| Windows Server 2008 R3
|
NT 6.11
|
October 22, 2011
|
Longhorn Server R3, Server 7.1
|
|
- Windows Foundation Server 2008 R3
- Windows Standard Server 2008 R3
- Windows Enterprise Server 2008 R3
- Windows Datacenter Server 2008 R3
- Windows Server 2008 R3 for Itanium-based Systems
- Windows Web Server 2008 R3
- Windows Storage Server 2008 R3
- Windows HPC Server 2008 R3
- Windows Small Business Server 2011
- Windows MultiPoint Server 2011
- Windows Home Server 2011
|
| Windows Server 2012
|
NT 6.2
|
September 4, 2012
|
Server 8
|
|
- Windows Foundation Server 2012
- Windows Essentials Server 2012
- Windows Standard Server 2012
- Windows Datacenter Server 2012
- Windows MultiPoint Server 2012
|
| Windows Server 2012 R2
|
NT 6.3
|
October 17, 2013
|
Server Blue, Server 8.1
|
|
- Windows Foundation Server 2012 R2
- Windows Essentials Server 2012 R2
- Windows Standard Server 2012 R2
- Windows Datacenter Server 2012 R2
- Windows MultiPoint Server 2012 R2
|
| Windows Server 2016
|
NT 10.0
|
October 12, 2016
|
Threshold Server
|
|
- Windows Essentials Server 2016
- Windows Standard Server 2016
- Windows Datacenter Server 2016
|
| Windows Server 2019
|
November 13, 2018
|
Redstone Server
|
|
- Windows Essentials Server 2019
- Windows Standard Server 2019
- Windows Datacenter Server 2019
|
| Windows Server 2020
|
2020
|
Server 20H1
|
A successor to Windows Server 19H2. Not yet finished.
|
- Windows Essentials Server 2020
- Windows Standard Server 2020
- Windows Datacenter Server 2020
|
Device versions
Appliances
| Name
|
Version
|
Release date
|
An edition of
|
Additional information
|
Sold with
|
| Windows XP Media Center Edition
|
NT 5.1/NT 5.2
|
2001, 2002, 2003, 2004, 2005, and 2006
|
Windows XP
|
|
Home theater PCs, network attached storage (NAS) and set-top boxes
|
| Windows XP Tablet PC Edition
|
NT 5.1
|
November 2002
|
|
Microsoft Tablet PC
|
| Windows RT
|
NT 6.2
|
October 26, 2012
|
Windows 8
|
|
ARM-based tablet computers
|
| Windows RT 8.1
|
NT 6.3
|
October 18, 2013
|
Windows 8.1
|
|
Mobile devices
Mobile devices include smartphones, handheld tablet computers, and personal digital assistants
- Windows 2020
- Windows 2020 Mobile
- Windows 2020 Mobile Enterprise
- Windows 2020 IoT Mobile
- Windows 2020 IoT Mobile Enterprise
- Windows 10
- Windows 10 Mobile
- Windows 10 Mobile Enterprise
- Windows 10 IoT Mobile
- Windows 10 IoT Mobile Enterprise
- Windows Phone
- Windows Phone 8.1
- Windows Phone 8
- Windows Phone 7.8
- Windows Phone 7.5
- Windows Phone 7.1
- Windows Phone 7
- Windows Mobile
- Windows Mobile 6.5
- Windows Mobile 6.1
- Windows Mobile 6.0
- Windows Mobile 5.1
- Windows Mobile 5.0
- Windows Mobile 2003 Third Edition
- Windows Mobile 2003 Second Edition
- Windows Mobile 2003
- Pocket PC 2002
- Pocket PC 2001
- Pocket PC 2000
Embedded devices
- Windows Embedded
- Windows Embedded 8.1
- Windows Embedded 8
- Windows Embedded 7.1
- Windows Embedded 7
- Windows Embedded Automotive
- Windows Embedded Industry
- Windows Embedded 2009
- Windows XP Embedded
- Windows NT 5.0 Embedded
- Windows NT 4.0 Embedded – Abbreviated NTe, it is an edition of Windows NT 4.0 that was aimed at computer-powered major appliances, vending machines, ATMs and other devices that cannot be considered computers per se. It is the same system as the standard Windows NT 4.0, but it comes packaged in a database of components and dependencies, from which a developer can choose individual components to build customized setup CDs and hard disk boot images. Windows NT 4.0 Embedded includes Service Pack 5. Before 1998, it used to be called Windows NT 4.1.
- Windows Embedded Compact
- Windows Embedded Compact 2013
- Windows Embedded Compact 7.1
- Windows Embedded Compact 7
- Windows Embedded CE 6.1 (2007)
- Windows Embedded CE 6.0 (2006)
- Windows CE 5.1 (2006), with a version for smartphones and PDAs sold as Windows Mobile 5.1
- Windows CE 5.0 (2005), with a version for smartphones and PDAs sold as Windows Mobile 5.0
- Windows CE 4.3 (2005), with a version for smartphones and PDAs sold as Windows Mobile 2003 TE
- Windows CE 4.2 (2004), with a version for smartphones and PDAs sold as Windows Mobile 2003 SE
- Windows CE 4.1 (2003), with a version for smartphones and PDAs sold as Windows Mobile 2003
- Windows CE 4.0 (2002), with a version for smartphones and PDAs sold as Pocket PC 2002
- Windows CE 3.1 (2001), with a version for smartphones and PDAs sold as Pocket PC 2001
- Windows CE 3.0 (June 2000), with a version for smartphones and PDAs sold as Pocket PC 2000
- Windows CE 2.13 (January 2000)
- Windows CE 2.12 (August 1999)
- Windows CE 2.11 (October 1998)
- Windows CE 2.1 (July 1998)
- Windows CE 2.0 (September 1997)
- Windows CE 1.0 (November 1996)
Canceled versions
- Microsoft Odyssey – a version intended to be an update to the Microsoft Windows NT 5.x codebase. The teams working on Neptune and Odyssey combined to work on Windows XP.
- Windows Mobile 7 or Photon - originally a successor of Windows Mobile, it had been scrapped for Windows Phone 7 with Metro UI.
- Microsoft Neptune (December 27, 1999) – the first planned version of Microsoft Windows NT to have a consumer edition variant, based on the Windows 2000 codebase. A version was sent out to testers but was never released.
- Microsoft Triton (2001) – a planned successor to Microsoft Neptune.
- Windows NT 4.1 (1997) – former name of Windows NT 4.0 Embedded.
- Microsoft Cairo (February 29, 1996) – a "true object-oriented OS", planned after Windows NT 4.0.
- Microsoft Midori (2003) – codename for a managed code operating system.
- Windows 4.0 (1995) – former name of Windows 95.
- Windows 4.1 (1996) – former name of Windows 96.
- Windows 4.2 (1998) – former name of Windows 98.
- Windows 4.9 (2000) – former name of Windows Me.
- Windows 5 (1999) and Windows 2000 (1999) – former names of Windows NT 5.0.
- Windows NT 5.0 Server (1999) and Windows 2000 Server (1999) - former names of Windows Server 2000.
- Windows 2001 (2001), Windows 101 (2001), Windows 5.1 (2001), Windows NT XP (2001), and Windows NT 5.1 (2001) – former names of Windows XP.
- Windows 6 (2006) – former name of Windows Vista.
- Windows 8.2 (2014) and Windows 9 (2014) – former names of Windows 10. The last build of Windows 9 is 9883.
- Windows 10 20H1 (2020) – former name of Windows 2020.
- Windows Server 20H1 (2020) and Windows 2020 Server (2020) – former names of Windows Server 2020.