List of Microsoft Windows versions

This page lists and links to information on the various versions of Microsoft Windows, a major computer operating system developed by Microsoft.

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.

Windows version	Codenames	Release date	Release version	Editions	Latest build	Support status
Windows 10	Threshold, Redstone, 19H1, 19H2, 20H1, 20H2, 21H1 YYHx[1]	July 15, 2015 July 29, 2015 (Availability)	NT 10.0[2]	Windows 10 Home Windows 10 Pro Windows 10 Pro for Workstations Windows 10 Pro Education 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)[3]	19042 (version 20H2)	All editions except LTSB/LTSC: Major versions serviced for 18 months from release date (30 months for Enterprise customers).[4] 2015 LTSB: Mainstream support until October 13, 2020; Extended support until October 14, 2025 2016 LTSB: Mainstream support until October 12, 2021; Extended support until October 13, 2026 2019 LTSC: Mainstream support until January 9, 2024; Extended support until January 9, 2029
Windows 8.1	Blue	August 27, 2013 October 17, 2013 (Availability)	NT 6.3	Windows 8.1 Windows 8.1 Pro Windows 8.1 Enterprise Windows 8.1 OEM Windows 8.1 with Bing	9600	Mainstream support ended on January 9, 2018 Extended support ends on January 10, 2023
Windows 8	'8'	August 1, 2012 October 26, 2012 (Availability)	NT 6.2	Windows 8 Windows 8 Pro Windows 8 Enterprise Windows 8 OEM	9200	Unsupported as of January 12, 2016
Windows 7	Windows 7[5]	July 22, 2009 October 22, 2009 (Availability)	NT 6.1	Windows 7 Starter Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Enterprise Windows 7 Ultimate Windows Thin PC	7601 (Service Pack 1)	Mainstream support ended on January 13, 2015 Extended support ended on January 14, 2020
Windows Vista	Longhorn	November 8, 2006 January 30, 2007 (Availability)	NT 6.0	Windows Vista Starter Windows Vista Home Basic Windows Vista Home Premium Windows Vista Business Windows Vista Enterprise Windows Vista Ultimate	6002 (Service Pack 2)	Mainstream support ended on April 10, 2012 Extended support ended on April 11, 2017
Windows XP Professional x64 Edition	Whistler	April 25, 2005	NT 5.2	N/A	3790 (Service Pack 2)	Mainstream support ended on April 14, 2009 Extended support ended on April 8, 2014
Windows XP	Whistler	August 24, 2001 October 25, 2001 (Availability)	NT 5.1	Windows XP Starter Windows XP Home Windows XP Professional Windows XP 64-bit Edition Windows XP Embedded "Codenamed Mantis" Windows Fundamentals for Legacy PCs (July 8, 2006)	2600 (Service Pack 3)	Mainstream support ended on April 14, 2009 Extended support ended on April 8, 2014
Windows Me	Millennium	June 19, 2000 September 14, 2000 (Availability)	4.90	N/A	3000	Mainstream support ended on December 31, 2003 Extended support ended on July 11, 2006
Windows 2000	Windows NT 5.0	December 15, 1999 February 17, 2000 (Availability)	NT 5.0	Professional	2195	Mainstream support ended on June 30, 2005 Extended support ended on July 13, 2010
Windows 98	Memphis, ChiCairo[6]	May 15, 1998 June 25, 1998 (Availability)	4.10	Windows 98 Second Edition May 5, 1999	2222 A	Mainstream support ended on June 30, 2002 Extended support ended on July 11, 2006
Windows NT 4.0	Shell Update Release (SUR)	July 31, 1996 August 24, 1996 (Availability)	NT 4.0	Windows NT 4.0 Workstation Windows NT 4.0 Terminal Server "Codenamed Hydra" Windows NT 4.0 Embedded "Codenamed Impala"	1381 (Service Pack 6a)	Mainstream support ended on June 30, 2002 Extended support ended on June 30, 2004
Windows 95	Chicago	August 15, 1995 August 24, 1995 (Availability)	4.00	Windows 95 Windows 95 SP1 (December 31, 1995) Windows 95 OSR1 (February 14, 1996) Windows 95 OSR2 "Codenamed Detroit" (August 24, 1996) Windows 95 USB Supplement to OSR2 (August 27, 1997) Windows 95 OSR2.1 (August 27, 1997) Windows 95 OSR2.5 (November 26, 1997)	950	Mainstream support ended on December 31, 2000 Extended support ended on December 31, 2001
Windows NT 3.51	N/A	May 30, 1995	NT 3.51	Windows NT 3.51 Workstation	1057	Unsupported as of December 31, 2001
Windows NT 3.5	Daytona	September 21, 1994	NT 3.5	Windows NT 3.5 Workstation	807	Unsupported as of December 31, 2001
Windows 3.2	N/A	November 22, 1993	3.2	N/A	153	Unsupported as of December 31, 2001
Windows for Workgroups 3.11	Snowball	November 8, 1993	3.11	N/A	300	Unsupported as of December 31, 2001
Windows NT 3.1	Razzle[7]	July 27, 1993	NT 3.1	Windows NT 3.1	528	Unsupported as of December 31, 2001
Windows 3.1	N/A	April 6, 1992	3.10	Windows 3.1 Windows for Workgroups 3.1 "Codenamed Sparta (Jastro), Winball (Kato)" (October 1992)	103	Unsupported as of December 31, 2001
Windows 3.0	N/A	May 22, 1990	3.00	N/A	N/A	Unsupported as of December 31, 2001
Windows 2.11	N/A	March 13, 1989	2.11	Windows/286 Windows/386	N/A	Unsupported as of December 31, 2001
Windows 2.10	N/A	May 27, 1988	2.10	Windows/286 Windows/386	N/A	Unsupported as of December 31, 2001
Windows 2.03	N/A	December 9, 1987	2.03	N/A	N/A	Unsupported as of December 31, 2001
Windows 1.04	N/A	April 10, 1987	1.04	N/A	N/A	Unsupported as of December 31, 2001
Windows 1.03	N/A	August 21, 1986	1.03	N/A	N/A	Unsupported as of December 31, 2001
Windows 1.02	N/A	May 14, 1986	1.02	N/A	N/A	Unsupported as of December 31, 2001
Windows 1.0	Interface Manager	November 20, 1985	1.01	N/A	N/A	Unsupported as of December 31, 2001

Server versions

Windows version	Release date	Release version	Editions	Latest build	Support status
Windows Server, version 2004[8]	June 26, 2020	NT 10.0	Windows Server Standard (Core Only) Windows Server Datacenter (Core Only)	19041	Mainstream support until December 14, 2021 Extended support: N/A[9]
Windows Server, version 1909[9]		NT 10.0	Windows Server Standard (Core Only) Windows Server Datacenter (Core Only)	18363	Mainstream support until May 11, 2021 Extended support: N/A[9]
Windows Server, version 1903[9]		NT 10.0	Windows Server Standard (Core Only) Windows Server Datacenter (Core Only)	18362	Mainstream support ended as of December 8, 2020 Extended support: N/A[9]
Windows Server 2019	November 13, 2018	NT 10.0	Windows Server 2019 Essentials Windows Server 2019 Standard Windows Server 2019 Datacenter	17763	Mainstream support until January 9, 2024 Extended support until January 9, 2029
Windows Server 2016	October 12, 2016	NT 10.0	Windows Server 2016 Essentials Windows Server 2016 Standard Windows Server 2016 Datacenter	14393	Mainstream support ends on January 11, 2022 Extended support ends on January 12, 2027
Windows Server 2012 R2	October 17, 2013	NT 6.3	Windows Server 2012 R2 Foundation Windows Server 2012 R2 Essentials Windows Server 2012 R2 Standard Windows Server 2012 R2 Datacenter	9600	Mainstream support ended on October 9, 2018 Extended support ends on October 10, 2023
Windows Server 2012	September 4, 2012	NT 6.2	Windows Server 2012 Foundation Windows Server 2012 Essentials Windows Server 2012 Standard Windows Server 2012 Datacenter Windows MultiPoint Server 2012	9200	Mainstream support ended on October 9, 2018 Extended support ends on October 10, 2023
Windows Server 2008 R2	October 22, 2009	NT 6.1	Windows Server 2008 R2 Foundation Windows Server 2008 R2 Standard Windows Server 2008 R2 Enterprise Windows Server 2008 R2 Datacenter 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 2011 Windows MultiPoint Server 2011 Windows Home Server 2011 Windows MultiPoint Server 2010	7601	Mainstream support ended on January 13, 2015 Extended support ended on January 14, 2020
Windows Server 2008	February 27, 2008	NT 6.0	Windows Server 2008 Standard Windows Server 2008 Enterprise Windows Server 2008 Datacenter Windows Server 2008 for Itanium-based Systems Windows Server Foundation 2008 Windows Essential Business Server 2008 Windows HPC Server 2008 Windows Small Business Server 2008 Windows Storage Server 2008 Windows Web Server 2008	6003	Mainstream support ended on January 13, 2015 Extended support ended on January 14, 2020
Windows Server 2003 R2	December 6, 2005	NT 5.2	Windows Small Business Server 2003 R2 Windows Server 2003 R2 Web Edition Windows Server 2003 R2 Standard Edition Windows Server 2003 R2 Enterprise Edition Windows Server 2003 R2 Datacenter Edition Windows Compute Cluster Server 2003 (CCS) Windows Storage Server Windows Home Server	3790	Mainstream support ended on July 13, 2010 Extended support ended on July 14, 2015
Windows Server 2003	April 24, 2003	NT 5.2	Windows Small Business Server 2003 Windows Server 2003 Web Windows Server 2003 Standard Windows Server 2003 Enterprise Windows Server 2003 Datacenter Windows Storage Server	3790	Mainstream support ended on July 13, 2010 Extended support ended on July 14, 2015
Windows 2000	February 17, 2000	NT 5.0	Windows 2000 Server Windows 2000 Advanced Server Windows 2000 Datacenter Server	2195	Mainstream support ended on June 30, 2005 Extended support ended on July 13, 2010
Windows NT 4.0	July 29, 1996	NT 4.0	Windows NT 4.0 Server Windows NT 4.0 Server Enterprise Windows NT 4.0 Terminal Server Edition	1381	Mainstream support ended on December 31, 2002 Extended support ended on December 31, 2004
Windows NT 3.51	May 29, 1995	NT 3.51	Windows NT 3.51 Server	1057	Unsupported as of December 31, 2001
Windows NT 3.5	September 20, 1994	NT 3.5	Windows NT 3.5 Server	807	Unsupported as of December 31, 2001
Windows NT 3.1	July 27, 1993	NT 3.1	Windows NT 3.1	528	Unsupported as of December 31, 2000

Device versions

Appliances

Name	Release date	Release version	An edition of	Sold with
Windows RT	October 18, 2013	NT 6.3	Windows 8.1	ARM-based tablet computer
Windows RT	October 26, 2012	NT 6.2	Windows 8	ARM-based tablet computers
Windows XP Tablet PC Edition	November 2002	NT 5.1	Windows XP	Microsoft Tablet PC
Windows XP Media Center Edition	2002, 2004, and 2005	NT 5.1/NT 5.2	Windows XP	Home theater PCs, network attached storage (NAS) and set-top boxes

Mobile devices

Mobile devices include smartphones, handheld tablet computers and personal digital assistants.

• Windows 10
• Windows 10 Mobile
• Windows 10 Mobile Enterprise
• 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
• Windows Mobile
• Windows Mobile 6.5
• Windows Mobile 6.1
• Windows Mobile 6.0
• Windows Mobile 5.0
• Windows Mobile 2003 SE
• Windows Mobile 2003
• Pocket PC 2002
• Pocket PC 2000

Embedded devices

• Windows Embedded
• Windows Embedded 8
• Windows Embedded Automotive
• Windows Embedded Industry
• Windows XP 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.
• Windows Embedded Compact
• Windows Embedded Compact 2013
• Windows Embedded Compact 7
• Windows Embedded CE 6.0 (2006)
• Windows CE 5.0 (2005), with version for smart phones and PDAs sold as Windows Mobile 5.0
• Windows CE 4.2 (2004), with version for smart phones and PDAs sold as Windows Mobile 2003 SE
• Windows CE 4.1 (2003), with version for smart phones and PDAs sold as Pocket PC 2003
• Windows CE 4.0 (2002), with version for smart phones and PDAs sold as Pocket PC 2002
• Windows CE 3.0 (June 2000), with version for smart phones and PDAs sold as Pocket PC 2000
• Windows CE 2.12 (1999 August)
• Windows CE 2.11 (1998 October)
• Windows CE 2.1 (1998 July)
• Windows CE 2.0 (September 1997)
• Windows CE 1.0 (November 1996)

Dual screen devices

• Windows 10X

Cancelled versions

• Windows 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.[10][11]
• Windows 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.[12]
• Windows Nashville (May 2, 1996) – also known as Windows 96
• Cairo - the code name for a Microsoft project from 1991, which never shipped.
• Windows Longhorn – Planned to be after XP but was eventually scrapped and became Windows Vista.

See also

• History of Microsoft Windows
• List of Microsoft software codenames
• Comparison of Microsoft Windows versions
• List of Microsoft operating systems

References

1. Bowden, Zac (March 28, 2018). "Microsoft to move away from 'Redstone' codename for Windows 10 updates in 2019". Windows Central. Windows Central. Retrieved May 3, 2019. Microsoft will be moving to a new codename format starting in 2019 now known internally as 19H1. The "19" stands for the year in which the update is released, and the "H1" stands for the first update of that year. following that format, the update coming after 19H1 would be codenamed 19H2, being the second update for 2019, followed by 20H1, 20H2, and so on.
2. Thurrott, Paul (November 22, 2014). "Microsoft Confirms that Windows 10 will also be Version 10 Internally". SuperSite for Windows. Penton Media. Archived from the original on October 16, 2017. Retrieved November 23, 2014.
3. "Windows 10 in S mode FAQ". Microsoft.com. April 27, 2019. Retrieved May 3, 2019.
4. "Windows Lifecycle Fact Sheet". Microsoft. June 5, 2019. Retrieved June 5, 2019.
5. https://devblogs.microsoft.com/oldnewthing/20190722-00/?p=102724
6. "Systems Release Strategy - Draft: 10/10/93" (PDF). Slated Antitrust. November 10, 1993.
7. "Random internal Windows terminology: IDW, Razzle, and their forgotten partners IDS and Dazzle". The Old New Thing. December 24, 2018. Retrieved April 9, 2020.
8. JasonGerend. "Windows Server servicing channels". docs.microsoft.com. Retrieved September 9, 2020.
9. JasonGerend. "Windows Server release information". docs.microsoft.com. Retrieved September 9, 2020.
10. "Windows Mobile 7 vs Windows Phone 7". Popular Pages at brighthub.com. May 20, 2011. Retrieved December 15, 2016.
11. "Revealed: Original Windows Mobile 7 UI". neowin.net. February 20, 2010. Retrieved December 15, 2016.
12. "Microsoft combines Neptune, Odyssey into Whistler". CNN. January 27, 2000. Archived from the original on September 1, 2008. Retrieved January 6, 2010.