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.

Client versions

In this section, a client version of Windows is a version that can be purchased and installed on personal computers (desktop computers, laptops and workstations) or purchased with these computers.

Name	Release date	Release version	Editions	Latest build
Windows 10	29 July 2015	NT 10.0^[1]	Windows 10 Home Windows 10 Pro Windows 10 Enterprise Windows 10 Enterprise LTSB Windows 10 Education Windows 10 Mobile Windows 10 Mobile Enterprise Windows 10 IoT Core Windows 10 IoT Enterprise Windows 10 IoT Mobile Enterprise See Windows 10 editions	10586 (November 15 update)
Windows 8.1	17 October 2013	NT 6.3	Windows 8.1 Windows 8.1 Pro Windows 8.1 Enterprise	9600 (April 8 update)
Windows 8	26 October 2012	NT 6.2	Windows 8 Windows 8 Pro Windows 8 Enterprise Windows 8 OEM See Windows 8 editions	9200
Windows 7	22 October 2009	NT 6.1	Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Enterprise Windows 7 Ultimate Windows Thin PC See Windows 7 editions	7601 (Service Pack 1)
Windows Vista	30 January 2007	NT 6.0	Windows Vista Home Basic Windows Vista Home Premium Windows Vista Business Windows Vista Enterprise Windows Vista Ultimate See Windows Vista editions	6002 (Service Pack 2)
Windows XP Professional x64	25 April 2005	NT 5.2	N/A	3790 (Service Pack 2)
Windows XP	25 October 2001	NT 5.1	Windows XP Starter Windows XP Home Windows XP Professional Windows XP 64-bit Edition Windows Fundamentals for Legacy PCs (8 July 2006) See Windows XP editions	2600 (Service Pack 3)
Windows ME	14 September 2000	4.90	N/A	3000
Windows 2000	17 February 2000	NT 5.0	Professional	2195
Windows 98	25 June 1998	4.10	Windows 98 Windows 98 Second Edition (23 April 1999)	2222 A
Windows NT 4.0	24 August 1996	NT 4.0	Windows NT 4.0 Workstation	1381 (Service Pack 6a)
Windows 95	24 August 1995	4.00	Windows 95 Windows 95 SP1 (31 December 1995) Windows 95 OSR1 (14 February 1996) Windows 95 OSR2 (24 August 1996) Windows 95 USB Supplement to OSR2 (27 August 1997) Windows 95 OSR2.1 (27 August 1997) Windows 95 OSR2.5 (26 November 1997)	950
Windows NT 3.51	30 May 1995	NT 3.51	Windows NT 3.51 Workstation	1057
Windows NT 3.5	21 September 1994	NT 3.50	Windows NT 3.5 Workstation	807
Windows 3.2	22 November 1993	3.2	Simplified Chinese only
Windows for Workgroups 3.11	November 1993	3.11	N/A
Windows NT 3.1	27 July 1993	NT 3.10	Windows NT 3.1	528
Windows 3.1	April 1992	3.10	Windows 3.1 Windows for Workgroups 3.1 (October 1992)
Windows 3.0	22 May 1990	3.00	N/A
Windows 2.11	13 March 1989	2.11	Windows/286 Windows/386
Windows 2.10	27 May 1988	2.10	Windows/286 Windows/386
Windows 2.03	9 December 1987	2.03	N/A
Windows 1.04	April 1987	1.04	N/A
Windows 1.03	August 1986	1.03	N/A
Windows 1.02	May 1986	1.02	N/A
Windows 1.01	20 November 1985	1.01	N/A

Server versions

Name	Release date	Release version number	Editions
Windows Server 2016	2016	NT 10.0
Windows Server 2012 R2	2013	NT 6.3	Windows Server 2012 R2 Foundation Windows Server 2012 R2 Essentials Windows Server 2012 R2 Standard Windows Server 2012 R2 Datacenter
Windows Server 2012	2012	NT 6.2	Windows Server 2012 Foundation Windows Server 2012 Essentials Windows Server 2012 Standard Windows Server 2012 Datacenter Windows MultiPoint Server 2012
Windows Server 2008 R2	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
Windows Server 2008	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
Windows Server 2003 R2	2006	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
Windows Server 2003	2003	NT 5.2	Windows Small Business Server 2003 Windows Server 2003 Web Edition Windows Server 2003 Standard Edition Windows Server 2003 Enterprise Edition Windows Server 2003 Datacenter Edition Windows Storage Server
Windows 2000	17 February 2000	NT 5.0	Windows 2000 Server Windows 2000 Advanced Server Windows 2000 Datacenter Server
Windows NT 4.0	29 July 1996	NT 4.0	Windows NT 4.0 Server Windows NT 4.0 Server Enterprise Windows NT 4.0 Terminal Server Edition
Windows NT 3.51	June 1995	NT 3.51	Windows NT 3.51 Server
Windows NT 3.5	September 1994	NT 3.50	Windows NT 3.5 Server
Windows NT 3.1	August 1993	NT 3.10	Windows NT 3.1 Advanced Server

Device versions

Appliances

Name	Release date	Release version	An edition of	Sold with
Windows RT 8.1	18 October 2013	NT 6.3	Windows 8.1	ARM-based tablet computers
Windows RT	26 October 2012	NT 6.2	Windows 8	ARM-based tablet computers
Windows 7 Starter	22 October 2009	NT 6.1	Windows 7	Low cost netbooks in emerging markets
Windows Vista Starter	30 January 2007	NT 6.0	Windows Vista	Low cost netbooks in emerging markets
Windows XP Tablet PC Edition	November 2002	NT 5.1	Windows XP	Microsoft Tablet PC
Windows XP Media Center Edition	2002, 2003, 2004 and 2005	NT 5.1	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

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 (2000 July), 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 (1998 November)
- Windows CE 1.0 (1995 November)

Cancelled versions

Windows Odyssey (13 January 2008) – 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.^[2]^[3]
Windows Neptune (27 December 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.^[4]
Windows Nashville (2 May 1996) – also known as Windows 96
Cairo (29 February 1996) – a "true object-oriented OS", planned after Windows NT 4.0 and had the same primary and secondary version

References

↑ Thurrott, Paul (22 November 2014). "Microsoft Confirms that Windows 10 will also be Version 10 Internally". SuperSite for Windows. Penton Media.
↑ http://www.brighthub.com/mobile/windows-mobile-platform/articles/87651.aspx
↑ http://www.neowin.net/news/revealed-original-windows-mobile-7-ui
↑ "Microsoft combines Neptune, Odyssey into Whistler". CNN. 27 January 2000. Retrieved 6 January 2010.

Microsoft Windows family

DOS-based

Windows 9x

Windows NT

Windows NT 3.1 Windows NT 3.5 Windows NT 3.51 Windows NT 4.0 Windows 2000

Client versions	Windows XP editions x64 Media Center Fundamentals Windows Vista editions Windows 7 editions Windows 8 editions 8.1 RT Windows 10 editions versions

Windows Server	Server 2003 Home Server Server 2008 EBS 2008 HPC Server 2008 Server 2008 R2 Home Server 2011 Server 2012 Server 2012 R2 Server 2016 MultiPoint Server Server Essentials

Specialized	Windows Preinstallation Environment

Windows Embedded

Windows Mobile

Windows Phone

Cancelled

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