List of Microsoft Windows versions

Last updated

Windows logo and wordmark - 1985.svg
Original Windows logo from 1985
Windows logo and wordmark - 2021.svg
Current Windows logo (introduced in 2021)
Timeline showing releases of Windows for personal computers and servers Windows Version History.svg
Timeline showing releases of Windows for personal computers and servers

Microsoft Windows is a computer operating system developed by Microsoft. It was first launched in 1985 as a graphical operating system built on MS-DOS. The initial version was followed by several subsequent releases, and by the early 1990s, the Windows line had split into two separate lines of releases: Windows 9x for consumers and Windows NT for businesses and enterprises. In the following years, several further variants of Windows would be released: Windows CE in 1996 for embedded systems; Pocket PC in 2000 (renamed to Windows Mobile in 2003 and Windows Phone in 2010) for personal digital assistants and, later, smartphones; Windows Holographic in 2016 for AR/VR headsets; and several other editions.

Contents

Personal computer versions

A "personal computer" version of Windows is considered to be a version that end-users or OEMs can install on personal computers, including desktop computers, laptops, and workstations.

The first five versions of Windows Windows 1.0, Windows 2.0, Windows 2.1, Windows 3.0, and Windows 3.1 were all based on MS-DOS, and were aimed at both consumers and businesses. However, Windows 3.1 had two separate successors, splitting the Windows line in two: the consumer-focused "Windows 9x" line, consisting of Windows 95, Windows 98, and Windows Me; and the professional Windows NT line, comprising Windows NT 3.1, Windows NT 3.5, Windows NT 3.51, Windows NT 4.0, and Windows 2000. These two lines were reunited into a single line with the NT-based Windows XP; this Windows release succeeded both Windows Me and Windows 2000 and had separate editions for consumer and professional use. Since Windows XP, multiple further versions of Windows have been released, the most recent of which is Windows 11.

List of Microsoft Windows versions for personal computers
NameCodename Release dateVersionEditionsBuild numberArchitectureEnd of support
Windows 1.01 Interface Manager1985-11-201.01 x86-16 2001-12-31
Windows 1.02 1986-05-141.02
Windows 1.03 1986-08-211.03
Windows 1.04 1987-04-101.04
Windows 2.01 1987-12-092.01 x86-16, IA-32
Windows 2.03 1987-12-092.03
Windows 2.1 1988-05-272.10
Windows 2.11 1989-03-132.11
Windows 3.0 1990-05-223.00
  • Windows 3.00a
  • Windows 3.0 with Multimedia Extensions
Windows 3.1 1992-04-063.10
  • Windows 3.1
103
Sparta [lower-alpha 1] 1992-10-31
  • Windows for Workgroups 3.1
102 IA-32
Windows NT 3.1 Razzle [1] 1993-07-27NT 3.1
  • Windows NT 3.1
528 IA-32, Alpha, MIPS 2000-12-31
Windows 3.11 1993-11-083.11
  • Windows 3.11
 ? x86-16, IA-32 2001-12-31
Snowball300 IA-32
Windows 3.2 1993-11-223.2
  • Windows 3.2
153 x86-16, IA-32
Windows NT 3.5 Daytona1994-09-21NT 3.5
  • Windows NT 3.5 Workstation
807 IA-32, Alpha, MIPS, PowerPC
Windows NT 3.51 1995-05-30NT 3.51
  • Windows NT 3.51 Workstation
1057
Windows 95 Chicago1995-08-244.00
  • Windows 95
950 IA-32
Windows NT 4.0 Shell Update Release1996-08-24NT 4.0
  • Windows NT 4.0 Workstation
1381 IA-32, Alpha, MIPS, PowerPC 2004-06-30
Windows 98 Memphis [lower-alpha 2] 1998-06-254.10
  • Windows 98
1998 IA-32 2006-07-11
Windows 98 Second Edition 1999-06-10
  • Windows 98 Second Edition
2222A
Windows 2000 Windows NT 5.02000-02-17NT 5.0
  • Windows 2000 Professional
2195 IA-32 2010-07-13
Windows Me Millennium2000-09-144.90
  • Windows Me
3000 IA-32 2006-07-11
Windows XP Whistler2001-10-25NT 5.12600 IA-32 2014-04-08
Itanium
Freestyle2002-10-29 IA-32
Harmony2003-09-30
Symphony2004-10-122700
Emerald2005-10-142710
Anvil2005-04-25NT 5.23790 x86-64
Windows Vista Longhorn [3] 2007-01-30NT 6.06002 [lower-alpha 3] IA-32, x86-64 2017-04-11
Windows 7 Windows 7 [4] 2009-10-22NT 6.17601 [lower-alpha 4] IA-32, x86-64 2020-01-14
Windows 8 Windows 82012-10-26NT 6.29200 IA-32, x86-64 2016-01-12
Windows 8.1 Blue [5] 2013-10-17NT 6.3
  • Windows 8.1
  • Windows 8.1 Pro
  • Windows 8.1 Enterprise
9600 IA-32, x86-64 2023-01-10
2014-05-23 [lower-alpha 5]
Windows 10 version 1507 Threshold [6] [lower-alpha 6] 2015-07-29NT 10.0 [lower-alpha 7] [lower-alpha 8] 10240 IA-32, x86-64 2025-10-14 [8] [lower-alpha 13]
Windows 10 version 1511 Threshold 22015-11-10151110586
Windows 10 version 1607 Redstone 1 [9] 2016-08-02160714393
Windows 10 version 1703 Redstone 2 [10] 2017-04-05170315063
Windows 10 version 1709 Redstone 3 [11] 2017-10-17170916299 IA-32, x86-64, ARM64
Windows 10 version 1803 Redstone 42018-04-30180317134
Windows 10 version 1809 Redstone 5 [12] 2018-11-13180917763
Windows 10 version 1903 19H1 [13] 2019-05-21190318362
Windows 10 version 1909 Vanadium [lower-alpha 14] [15] 2019-11-12190918363
Windows 10 version 2004 Vibranium [15] [16] [lower-alpha 15] 2020-05-27200419041
Windows 10 version 20H2 2020-10-2020H219042
Windows 10 version 21H1 2021-05-1821H119043
Windows 10 version 21H2 2021-11-1621H219044
Windows 10 version 22H2 2022-10-1822H219045
Windows 11 version 21H2 Sun Valley [lower-alpha 16] 2021-10-0521H2
  • Windows 11 Home
  • Windows 11 Pro
  • Windows 11 Pro for Workstations
  • Windows 11 Pro Education
  • Windows 11 Education
  • Windows 11 Enterprise
  • Windows 11 SE
22000 x86-64, ARM64 2023-10-10 [lower-alpha 17]
Windows 11 version 22H2 Sun Valley 22022-09-2022H2226212024-10-08 [lower-alpha 17]
Windows 11 version 23H2 2023-10-3123H2226312025-11-11 [lower-alpha 17]

Mobile versions

Mobile versions refer to versions of Windows that can run on smartphones or personal digital assistants.

Pocket PC 2000.svg
Pocket PC 2000 logo
Windows Phone 7 logo and wordmark.svg
Logo used for Windows Phone 7.5 and Windows Phone 7.8
WindowsPhone8Purple.svg
Logo used for Windows Phone 8 and Windows Phone 8.1
Windows 10 Logo.svg
Logo used for Windows 10 and Windows 10 Mobile
NameCodenameArchitecture Release
date
Version Number
Pocket PC 2000 Rapier ARMv4, MIPS, SH-3 2000-04-19CE 3.0
Pocket PC 2002 Merlin ARMv4 2001-10-04
Windows Mobile 2003 Ozone ARMv5 2003-06-23CE 4.x
Windows Mobile 2003 SE 2004-03-24
Windows Mobile 5.0 Magneto2005-05-09CE 5.0
Windows Mobile 6.0 Crossbow2007-02-12
Windows Mobile 6.1 2008-04-01CE 5.2
Windows Mobile 6.1.46 on 62008-11-11 [18]
Windows Mobile 6.5 Titanium2009-05-11CE 6.0
Windows Phone 7 [lower-alpha 18] ARMv7 2010-10-29
Windows Phone 7.5 Mango2011-09-27
Windows Phone 7.8 2013-02-01
Windows Phone 8 Apollo2012-10-29NT 6.2
Windows Phone 8.1 Blue2014-04-14NT 6.3
Windows 10 Mobile, version 1511 Threshold 22015-11-121511
Windows 10 Mobile, version 1607 Redstone 12016-08-161607
Windows 10 Mobile, version 1703 Redstone 22017-04-241703
Windows 10 Mobile, version 1709 feature2 [19] 2017-10-241709

Server versions

NameCodename Release dateVersion numberEditionsBuild numberArchitectureEnd of support
Windows NT 3.1 Razzle1993-07-27NT 3.1
  • Windows NT 3.1 Advanced Server
528 IA-32, Alpha, MIPS 2000-12-31
Windows NT 3.5 Daytona1994-09-20NT 3.5
  • Windows NT 3.5 Server
807 IA-32, Alpha, MIPS, PowerPC 2001-12-31
Windows NT 3.51 1995-05-29NT 3.51
  • Windows NT 3.51 Server
10572001-12-31
Windows NT 4.0 Shell Update Release1996-07-29NT 4.0
  • Windows NT 4.0 Server
  • Windows NT 4.0 Server Enterprise
  • Windows NT 4.0 Terminal Server Edition
13812004-12-31
Windows 2000 NT 5.02000-02-17NT 5.0
  • Windows 2000 Server
  • Windows 2000 Advanced Server
  • Windows 2000 Datacenter Server
2195 IA-32 2010-07-13
Windows Server 2003 Whistler Server2003-04-24NT 5.2
  • Windows Server Web
  • Windows Server Standard
  • Windows Server Enterprise
  • Windows Server Datacenter
  • Windows Storage Server
3790 IA-32, x86-64, Itanium 2015-07-14
Windows Server 2003 R2 Whistler Server2005-12-062015-07-14
Windows Server 2008 Longhorn Server2008-02-27NT 6.0
  • Windows Server Foundation
  • Windows Server Standard
  • Windows Server Enterprise
  • Windows Server Datacenter
  • Windows Server for Itanium-based Systems
  • Windows Storage Server
  • Windows Web Server
6003 [lower-alpha 3] IA-32, x86-64, Itanium 2020-01-14
Windows Server 2008 R2 Windows Server 72009-10-22NT 6.17601 [lower-alpha 4] x86-64, Itanium 2020-01-14
Windows Server 2012 Windows Server 82012-09-04NT 6.2
  • Windows Server Foundation
  • Windows Server Essentials
  • Windows Server Standard
  • Windows Server Datacenter
9200 x86-64 2023-10-10
Windows Server 2012 R2 Windows Server Blue2013-10-17NT 6.396002023-10-10
Windows Server 2016 2016-10-121607 [20]
  • Windows Server Essentials [lower-alpha 19]
  • Windows Server Standard
  • Windows Server Datacenter
143932027-01-12
Windows Server, version 1709 [21] 2017-10-171709162992019-04-09
Windows Server, version 1803 [22] 2018-04-301803171342019-11-12
Windows Server, version 18092018-11-13 [23] 1809177632020-11-10
Windows Server 2019 [20] 2029-01-09 [20]
Windows Server, version 1903 [20] 2019-05-211903183622020-12-08 [20]
Windows Server, version 1909 [20] 2019-11-121909183632021-05-11 [20]
Windows Server, version 2004 [24] 2020-06-262004190412021-12-14 [20]
Windows Server, version 20H2 [24] 2020-10-2020H2190422022-08-09 [20]
Windows Server 2022 2021-08-1821H2 [25] 203482031-10-14 [20]
Windows Server 2025soon24H2

High-performance computing (HPC) servers

NameCodenameRelease dateBased on
Windows Compute Cluster Server 2003 2006-06-09Windows Server 2003 R2
Windows HPC Server 2008 Socrates2008-09-22Windows Server 2008
Windows HPC Server 2008 R2 2010-09-20Windows Server 2008 R2

Windows Essential Business Server

NameCodenameRelease dateEnd-of-support dateBuild numberBased on
Windows Essential Business Server 2008 Centro2008-09-152020-01-145700Windows Server 2008

Windows Home Server

NameCodenameRelease dateEnd-of-support dateBased on
Windows Home Server Quattro2007-11-042013-01-08Windows Server 2003 R2
Windows Home Server 2011 Vail2011-04-062016-04-12Windows Server 2008 R2

Windows MultiPoint Server

Windows MultiPoint Server was an operating system based on Windows Server. It was succeeded by the MultiPoint Services role in Windows Server 2016 and Windows Server version 1709. It was no longer being developed in Windows Server version 1803 and later versions.

NameCodenameRelease dateEnd-of-support dateVersion numberBuild numberBased on
Windows MultiPoint Server 2010Solution Server2010-02-242020-07-14NT 6.1537Windows Server 2008 R2
Windows MultiPoint Server 2011WMS 22011-05-122021-07-131600Windows Server 2008 R2 Service Pack 1
Windows MultiPoint Server 2012WMS 32012-10-302023-10-10NT 6.22506Windows Server 2012

Windows Small Business Server

NameCodenameRelease dateEnd-of-support dateBuild numberBased on
Small Business Server 20002001-02-212010-07-131343Windows 2000 Server
Windows Small Business Server 2003Bobcat2003-10-092015-07-142893Windows Server 2003
Windows Small Business Server 2008Cougar2008-08-212020-01-145601Windows Server 2008
Windows Small Business Server 2011 StandardWindows Small Business Server 72010-12-132020-01-147900Windows Server 2008 R2
Windows Small Business Server 2011 EssentialsColorado2011-06-282013-01-058800

Device versions

ARM-based tablets

Windows RT logo and wordmark.svg
Windows RT logo
Surface RT.jpg
The Surface RT (shown with keyboard cover attached) was the flagship Windows RT device upon its release.

In 2012 and 2013, Microsoft released versions of Windows specially designed to run on ARM-based tablets; these versions of Windows, named "Windows RT" and "Windows RT 8.1," were based on Windows 8 and Windows 8.1, respectively. Upon the release of Windows 10 in 2015, the ARM-specific version for large tablets was discontinued; large tablets (such as the Surface Pro 4) were only released with x86 processors and could run the full version of Windows 10. Windows 10 Mobile had the ability to be installed on smaller tablets (up to nine inches); [26] however, very few such tablets were released, and Windows 10 Mobile primarily ended up only running on smartphones until its discontinuation. In 2017, the full version of Windows 10 gained the ability to run on ARM, thus rendering a specific version of Windows for ARM-based tablets unnecessary.

Name Release dateVersion numberBuild numberBased on
Windows RT 2012-10-26NT 6.29200 Windows 8
Windows RT 8.1 2013-10-18NT 6.39600 Windows 8.1

Mixed reality and virtual reality headsets

NameBuild number
Windows 10 Holographic, version 1607 [27] 14393
Windows 10 Holographic, version 1803 [27] 17134
Windows 10 Holographic, version 1809 [27] 17763
Windows Holographic, version 1903 [28] 18362
Windows Holographic, version 2004 [28] 19041
Windows Holographic, version 20H2 [28] 19041
Windows Holographic, version 21H1 [28] 20346
Windows Holographic, version 21H2 [28] 20348
Windows Holographic, version 22H1 [28] 20348

Surface Hub

Microsoft originally announced the Surface Hub, an interactive whiteboard, in January 2015. The Surface Hub family of devices runs a custom variant of Windows 10 known as Windows 10 Team.

NameBuild number
Windows 10 Team, version 1511 [29] 10586
Windows 10 Team, version 1607 [29] 14393
Windows 10 Team, version 1703 [29] 15063
Windows 10 Team, version 20H2 [29] 19042

Windows XP-based tablets

Tablet computer running a "Tablet PC Edition" of Windows XP HP Tablet PC running Windows XP (Tablet PC edition) (2006).jpg
Tablet computer running a "Tablet PC Edition" of Windows XP

Two versions of Windows XP were released that were optimized for tablets. Beginning with Windows Vista, all tablet-specific components were included in the main version of the operating system.

NameCodename Release dateVersion numberBuild numberBased on
Windows XP Tablet PC Edition 2002-11-07NT 5.12600 Windows XP
Windows XP Tablet PC Edition 2005 Lonestar2004-08NT 5.12600 Windows XP

Embedded versions

Windows Embedded Compact

NameCodename(s)Release date
Windows CE 1.0 Pegasus; Alder1996-11-16
Windows CE 2.0 Jupiter; Birch1997-09-29
Windows CE 2.1 1998-07
Windows CE 2.11 1998-10
Windows CE 2.12 1999
Windows CE 3.0 Cedar; Galileo2000
Windows CE 4.0 Talisker2002-01-07
Windows CE 4.1 Jameson2002-07-30
Windows CE 4.2 McKendric2003-04-23
Windows CE 5.0 Macallan2004-07-09
Windows Embedded CE 6.0 Yamakazi2006-11-01
Windows Embedded Compact 7 Chelan2011-03-01
Windows Embedded Compact 20132013-06-13

Windows Embedded Standard

NameCodenameRelease dateBased on
Windows NT Embedded 4.0 Impala1999-08-30Windows NT 4.0 Workstation
Windows XP Embedded Mantis2001-11-28Windows XP Professional
Windows Embedded Standard 2009 2008-12-14Windows XP Service Pack 3
Windows Embedded Standard 7 Quebec2010Windows 7
Windows Embedded 8 2013Windows 8
Windows Embedded 8.12013Windows 8.1

Other embedded versions

Cancelled versions

Cancelled personal computer versions

CodenameIntended nameDiscontinuationVersionLatest known build numberNotes
Cairo 1996NT 4.01175Originally announced at the 1991 Microsoft Professional Developers Conference, Cairo was the codename of a project whose charter was to build technologies for a next-generation operating system that would fulfill Bill Gates's vision of "information at your fingertips". [30] Cairo never shipped, although portions of its technologies have since appeared in other products.
Nashville [lower-alpha 20] Windows 9619964.1999Nashville was an operating system planned to have been released between Windows 95 and Windows 98, presumably under the "Windows 96" moniker.
Neptune Early 2000NT 5.505111Neptune, based on the Windows 2000 codebase, was planned to be the first version of Microsoft Windows NT to have a consumer edition variant. A version was sent out to testers but was never released. [31] [32] The teams working on Neptune and Odyssey eventually combined to work on Windows XP.
OdysseyEarly 2000NT 6.0 [33] Odyssey was planned to be the successor of Windows 2000. The teams working on Neptune and Odyssey eventually combined to work on Windows XP.
TritonEarly 2000Triton was planned to be the successor of Windows Neptune and had been scheduled to be released in March 2001.
Blackcomb2006-01Blackcomb was originally planned to be a release of Windows following Windows XP. However, due to the large feature scope planned for Blackcomb, a smaller release codenamed "Longhorn" was planned first, and Blackcomb was delayed to 2003/2004. Both projects faced delays; Longhorn would go on to be released to consumers as "Windows Vista" in January 2007, while development on Blackcomb continued until the Blackcomb project was renamed "Vienna" in early 2006.
Vienna2007-07 [lower-alpha 21] Vienna replaced Blackcomb and was intended as Windows Vista's successor. Vienna was eventually cancelled in favor of a new project codenamed "Windows 7" (which went on to be released in 2009 with the same name).
Polaris201816299Cancelled in favor of Santorini
Santorini [lower-alpha 22] Windows 10X 2021-05-18 [lower-alpha 23] [35] 21H120279Microsoft had been reported as working on a new "lite" version of Windows as early as December 2018. [36] Such a version was officially announced under the name "Windows 10X" at an event in October 2019; the operating system was intended to first launch on dual-screen devices. In May 2020, Microsoft announced that Windows 10X would instead be launching on single-screen PCs, such as laptops and 2-in-1 devices, first. [37] However, on May 18, 2021, Microsoft announced that Windows 10X would not be launching (at least not in 2021); many of its features were instead rolled into Windows 11.

Cancelled mobile versions

CodenameIntended nameDiscontinuationNotes
PhotonWindows Mobile 7September 2008 [38] Originally a successor of Windows Mobile, it had been scrapped for Windows Phone 7 [39] [40]
PhoenixEarly 2017Cancelled when Microsoft "wound down" its phone efforts. [41]
AndromedaMid-2018Much of the work that was put into Andromeda was migrated into Santorini. The Surface Duo, a dual-screen Android-powered smartphone launched by Microsoft in 2020, was loosely based on the prototype hardware that had been used to test Andromeda. [42]

Cancelled server versions

CodenameIntended nameDiscontinuationLatest known build number
CascadesWindows Essential Business Server 2008 R2April 7, 2010 [lower-alpha 23] 7224

See also

Notes

  1. Originally codenamed Winball
  2. Has also been called ChiCairo and London. [2]
  3. 1 2 Windows Vista and Windows Server 2008 originally had the build number 6000 when they were first released; the build number was increased by one with each of the two subsequent Service Packs.
  4. 1 2 Windows 7 and Windows Server 2008 R2 originally had the build number 7600 when they were first released; the build number was increased to 7601 with the release of Service Pack 1.
  5. Announcement date
  6. Retroactively referred to as Threshold 1
  7. Early preview builds of Windows 10 had the version number NT 6.4. [7]
  8. Retroactively referred to as version 1507
  9. Windows 10 Pro for Workstations became a Windows 10 edition starting with version 1709. Prior versions of Windows 10 do not include this as an edition.
  10. Windows 10 versions 1507 and 1511 do not include a "Windows 10 Pro Education" edition; that edition was only added with version 1607.
  11. Windows 10 S is only available in version 1703 and 1709.
  12. Windows 10 Enterprise LTSC is only available for versions 1507, 1607, 1809, and 21H2. It had originally been named Windows 10 Enterprise LTSB in version 1507.
  13. October 14, 2025 is the general end-of-support date for Windows 10. Specific versions and editions of Windows 10 have different end of support dates; see Windows 10 version history for a breakdown of dates by version and edition.
  14. Originally codenamed 19H2 [14]
  15. Vibranium was the codename for Windows 10 version 2004. During the 20H2, 21H1, and 21H2 development cycles, builds were compiled under the codenames Manganese, Iron, and Cobalt, respectively. However, the versions of 20H2 and 21H1 that were released were built on top of version 2004 instead of these new builds. Windows 10 version 21H2 was similarly built on top of the Vibranium/2004 codebase instead of the Cobalt codebase; Cobalt builds were instead used as the base for the first version of Windows 11 (which had a core based on Cobalt in addition to a UI codenamed Sun Valley, and which also carries the version 21H2).
  16. The core of Windows 11 version 21H2 is codenamed Cobalt; [17] the "Sun Valley" codename refers to the UI layer of Windows 11 version 21H2 and is commonly used to address Windows 11 version 21H2 as a whole.
  17. 1 2 3 The end-of-support date listed in the table refers to Home and Pro editions. The date for other editions, such as Education and Enterprise, may differ.
  18. Originally named "Windows Phone 7 Series"
  19. Between versions 1709 and 20H2 of Windows Server, the "Windows Server Essentials" edition of Windows Server was only included in Windows Server 2019.
  20. Nashville was originally codenamed Cleveland.
  21. July 2007 is when it was reported that the Vista's successor was codenamed "7", rather than "Vienna", indicating that Vienna's discontinuation had occurred by then. However, Vienna may have been cancelled prior to then.
  22. While Santorini was the general codename for Windows 10X, Centaurus was the specific codename for Windows 10X on foldable PCs and Pegasus was the codename for Windows 10X on "traditional" PCs (such as laptops or 2-in-1 computers). [34]
  23. 1 2 Date refers to when the cancellation of the operating system was announced. The decision for the operating system to be cancelled may have occurred prior to then.

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<span class="mw-page-title-main">Windows Subsystem for Linux</span> Compatibility layer for running Linux binary executables natively on Windows

Windows Subsystem for Linux (WSL) is a feature of Microsoft Windows that allows developers to run a Linux environment without the need for a separate virtual machine or dual booting. There are two versions of WSL: WSL 1 and WSL 2. WSL is not available to all Windows 10 users by default. It can be installed either by joining the Windows Insider program or manually via Microsoft Store or Winget.

Windows 10 Mobile is a discontinued mobile operating system developed by Microsoft. It was released to manufacturing on November 20, 2015, and was made generally available on March 17, 2016. In October 2017, Microsoft announced that it would pause the active development of Windows 10 Mobile, and future development will be limited to maintenance releases and security patches. The last feature update is the Fall Creators Update. The last version of Windows 10 Mobile reached the end of life on January 14, 2020. Development for Windows 10 Mobile has completely ceased since then.

The Surface Neo is an unreleased dual-touchscreen 2-in-1 PC that was unveiled by Microsoft on October 2, 2019. Slated to be part of the Microsoft Surface family of devices, the Surface Neo was designed to be used in various "postures" for different use cases and multitasking scenarios involving its screens, and feature Windows 10X—a variant of Windows 10 designed exclusively for dual-screen devices. However, as of December 2023, over four years after the Surface Neo was announced, it is still unreleased, likely rendering it vaporware.

<span class="mw-page-title-main">Windows 11</span> Major release of Windows NT, released in 2021

Windows 11 is the latest major release of Microsoft's Windows NT operating system, released on October 5, 2021. It succeeded Windows 10 (2015) and is available for free for any Windows 10 devices that meet the new Windows 11 system requirements.

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