This is a list of Microsoft written and published operating systems. For the codenames that Microsoft gave their operating systems, see Microsoft codenames. For another list of versions of Microsoft Windows, see, List of Microsoft Windows versions.

MS-DOS See MS-DOS Versions for a full list.

Windows

Windows 1.0 until 11 +NameDate of releaseWindows 1.01985-11-20Windows 2.x1987-12-09Windows 3.01990-05-22Windows for Workgroups 3.111993-08-11Windows NT 3.11993-10-27Windows NT 3.51994-09-21Windows NT 3.511995-05-30Windows 951995-08-24Windows NT 4.01996-07-31Windows 981998-06-25Windows 98 SE1999-05-05Windows 20002000-02-17Windows Me2000-09-14Windows XP 2001-10-25Windows XP Embedded2002-01-30Windows XP Media Center Edition2002-10-28Windows XP Tablet PC Edition2002-11-07Windows XP 64-bit Edition2003-03-28Windows Server 20032003-04-24Windows Small Business Server 20032003-10-09Windows XP Starter2004-08-11Windows XP Professional x64 Edition2005-04-25Windows Embedded for Point of Service2005-06-06Windows Server 2003 R22005-12-06Windows Vista 2007-01-30Windows Home Server2007-11-04Windows Server 20082008-02-27Windows Small Business Server 20082008-08-21Windows Embedded Standard 20092008-12-14Windows Embedded POSReady 2009Windows 72009-10-22Windows Server 2008 R2Windows Server 20122012-09-04Windows 8 2012-10-26Windows 8.1 2013-10-17Windows Server 2012 R22013-10-18Windows CEAutoPCPocket PCPocket PC 20002000Pocket PC 20022002Windows 102016Windows 112021Windows Mobile

Windows 10/11 and Windows Server 2016/2019/2022 +NameDate of releaseUpdate versionWindows 10 2015-07-29RTM (10240)Windows 10 (1511)2015-11-10November (1511)Windows 10 (1607)2016-08-02Anniversary (1607)Windows Server 2016Windows 10 (1703)2017-04-05Creators (1703)Windows 10 (1709)2017-10-17Fall Creators (1709)Windows Server (1709)Windows 10 (1803)2018-04-30April 2018 (1803)Windows Server (1803)Windows 10 (1809)2018-11-13October 2018 (1809)Windows Server (1809)Windows Server 2019Windows 10 (1903)2019-05-21May 2019 (1903)Windows Server (1903)Windows 10 (1909)2019-11-12November 2019 (1909)Windows Server (1909)Windows 10 (2004)2020-05-27May 2020 (2004)Windows Server (2004)Windows 10 21H22021-10-05October 2021 (21H2)Windows 11 (2021)Windows Server 2022

Windows Mobile

Windows Mobile 2003 Windows Mobile 2003 SE Windows Mobile 5 Windows Mobile 6

Windows Phone

+NameDate of releaseWindows Phone 7 2010Windows Phone 8 2012Windows Phone 8.1 2014

Xbox gaming Xbox system software Xbox 360 system software Xbox One and Xbox Series X/S system software

OS/2

+VersionDate of release1 19871.1 19881.2 19891.3 1990

Unix and Unix-like Xenix Nokia X platform Azure Sphere SONiC Windows Subsystem for Linux Azure Sphere OS Azure Linux

Other operating systems MS-Net LAN Manager MIDAS Singularity Midori Zune KIN OS Nokia Asha platform Barrelfish Novell Netware (operating system)

Time line

See also

External links Concise Microsoft O.S. Timeline, by Bravo Technology Center