<table class="wikitable" style="width:100%"> <th colspan="7"><h3>16-bit MS-DOS-based Operating Systems</h3></th> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows 1.0]]</td> <td>1.0x</td> <td>Interface Manager</td> <td colspan="3">First version of Windows</td> <td>✔</td> </tr> <tr> <td>[[Windows 2.x]]</td> <td>2.x</td> <td>'Windows 1.5'</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Windows 3.x]]</td> <td>3.x</td> <td>Sparta, Snowball</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <th colspan="7"><h3>16/32-bit hybrid Operating Systems (Monolithic) (on DOS Foundation)</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows 95]]</td> <td>4.0</td> <td>Chicago</td> <td colspan="3">Start menu introduced.</td> <td>✔</td> </tr> <tr> <td>[[Windows Nashville|Windows ''Nashville'']]</td> <td>4.1</td> <td>Nashville</td> <td colspan="3">1 build leaked, cancelled release</td> <td>✔</td> </tr> <tr> <td>[[Windows 98]]</td> <td>4.1</td> <td>Memphis</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Windows ME]]</td> <td>4.9</td> <td>Millenium</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <th colspan="7"><h3>NT Based Operating Systems</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows NT 3.1]]</td> <td>NT 3.1</td> <td>NT OS/2</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Windows NT 3.5x]]</td> <td>NT 3.5x</td> <td>Daytona</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Microsoft Cairo]]</td> <td rowspan="2">NT 4.0</td> <td>Cairo</td> <td colspan="3">Cancelled release, planned</td> <td>✔</td> </tr> <tr> <td>[[Windows NT 4.0]]</td> <td>Shell Update Release</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Windows 2000]]</td> <td>NT 5.0</td> <td>None</td> <td colspan="3">Although the IA-64 release had the codename "Janus", the original release didn't have a codename and was simply called as "NT 5.0" in pre-release builds before build 1946</td> <td>✔</td> </tr> <tr> <td>[[Windows Neptune|Windows ''Neptune'']]</td> <td>NT 5.5</td> <td>Neptune</td> <td colspan="3">1 build leaked. Cancelled release.</td> <td>✔</td> </tr> <tr> <td>[[Windows Triton|Windows ''Triton'']]</td> <td>Unknown</td> <td>Triton</td> <td colspan="3">Cancelled release.</td> <td></td> </tr> <tr> <td>[[Windows Odyssey|Windows ''Odyssey'']]</td> <td>NT 6.0</td> <td>Odyssey</td> <td colspan="3">Cancelled release.</td> <td></td> </tr> <tr> <td>[[Windows XP]]</td> <td rowspan="3">NT 5.1</td> <td>Whistler</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Windows Fundamentals for Legacy PCs]]</td> <td>Eiger, Monch</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Embedded 2009]]</td> <td>Quebec</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Server 2003]]</td> <td rowspan="2">NT 5.2</td> <td>.NET Server</td> <td colspan="3">Previous codenames: "Whistler Server"</td> <td>✔</td> </tr> <tr> <td>[[Windows Home Server]]</td> <td>Quattro</td> <td colspan="3"></td> <td>✔</td> </tr> <tr> <td>[[Windows Longhorn|Windows ''Longhorn'']]</td> <td rowspan="5">NT 6.0</td> <td>Longhorn</td> <td colspan="3">Pre-reset builds, re-named to Windows Vista</td> <td>✔</td> </tr> <tr> <td>[[Windows Vista]]</td> <td>Longhorn Omega-13</td> <td colspan="3">Code Reset, .NET Server RC1 > 2003 SP1 RC</td> <td>✔</td> </tr> <tr> <td>[[Windows Server 2008]]</td> <td>Longhorn Server</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Small Business Server 2008]]</td> <td>Cougar</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Essential Business Server 2008]]</td> <td>Centro</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>''[[Windows Blackcomb]]''</td> <td>Unknown</td> <td>Blackcomb</td> <td colspan="3">Originally a major update to Longhorn</td> <td></td> </tr> <tr> <td>[[Windows 7]]</td> <td rowspan="9">NT 6.1</td> <td>'7'</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Server 2008 R2]]</td> <td>Server '7'</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Embedded 7]]</td> <td>Quebec</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows MultiPoint Server 2010]]</td> <td>Solution Server</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows MultiPoint Server 2011]]</td> <td>WMS 2</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Small Business Server 2011]]</td> <td>SBS 7</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Small Business Server 2011 Essentials]]</td> <td>Aurora</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Home Server 2011]]</td> <td>Vail</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Thin PC]]</td> <td>Thin PC</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows 8]]</td> <td rowspan="4">NT 6.2</td> <td>'8'</td> <td colspan="3">Start menu removed, replaced with start screen</td> <td></td> </tr> <tr> <td>[[Windows RT]]</td> <td>Windows on ARM</td> <td colspan="3">Only available to Microsoft partners.</td> <td></td> </tr> <tr> <td>[[Windows Server 2012]]</td> <td>Server '8'</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Embedded 8]]</td> <td></td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows 8.1]]</td> <td rowspan="4">NT 6.3</td> <td>Blue</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows RT 8.1]]</td> <td></td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Server 2012 R2]]</td> <td>Server 'Blue'</td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Embedded 8.1]]</td> <td></td> <td colspan="3"></td> <td></td> </tr> <tr> <td>[[Windows Server 2016]]</td> <td rowspan="2">NT 10.0</td> <td>Threshold Server</td> <td colspan="3">Previous codenames: Server xNext</td> <td></td> </tr> <tr> <td>[[Windows Server 2019]]</td> <td>vNext</td> <td colspan="3"></td> <td></td> </tr> <tr> <th colspan="7"><h3>Windows 10 Operating Systems</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th>Update name</th> <th>Build lab</th> <th>Development status</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows 10]]</td> <td>NT 10.0</td> <td>Threshold</td> <td>Windows 10</td> <td>th1</td> <td>Released, no longer supported.</td> <td></td> </tr> <tr> <td>[[Windows 10 TH2]]</td> <td>v1511</td> <td>Threshold 2</td> <td>November Update</td> <td>th2_release</td> <td>Released, no longer supported.</td> <td></td> </tr> <tr> <td>[[Windows 10 RS1]]</td> <td>v1607</td> <td>Redstone 1</td> <td>Anniversary Update</td> <td>rs1_release</td> <td>Released, no longer supported.</td> <td></td> </tr> <tr> <td>[[Windows 10 RS2]]</td> <td>v1703</td> <td>Redstone 2</td> <td>Creators Update</td> <td>rs2_release</td> <td>Released, no longer supported.</td> <td></td> </tr> <tr> <td>[[Windows 10 RS3]]</td> <td>v1709</td> <td>Redstone 3</td> <td>Fall Creators Update</td> <td>rs3_release</td> <td>Released, no longer supported.</td> <td></td> </tr> <tr> <td>[[Windows 10 RS4]]</td> <td>v1803</td> <td>Redstone 4</td> <td>April 2018 Update</td> <td>rs4_release</td> <td>Released</td> <td></td> </tr> <tr> <td>[[Windows 10 RS5]]</td> <td>v1809</td> <td>Redstone 5</td> <td>October 2018 Update</td> <td>rs5_release</td> <td>Released</td> <td></td> </tr> <tr> <td>[[Windows 10 19H1]]</td> <td rowspan="2">v1903</td> <td rowspan="2">19H1</td> <td>May 2019 Update</td> <td rowspan="4">19h1_release</td> <td>Released</td> <td></td> </tr> <tr> <td>[[Windows Server 19H1]]</td> <td></td> <td>Released, Semi-Annual Channel release</td> <td></td> </tr> <tr> <td>[[Windows 10 19H2]]</td> <td rowspan="2">v1909</td> <td rowspan="2">19H2, Vanadium</td> <td>November 2019 Update</td> <td>Released</td> <td></td> </tr> <tr> <td>[[Windows Server 19H2]]</td> <td></td> <td>Released, Semi-Annual Channel release</td> <td></td> </tr> <tr> <td>[[Windows 10 20H1]]</td> <td rowspan="2">v2004</td> <td rowspan="2">20H1, Vibranium</td> <td>May 2020 Update</td> <td rowspan="6">vb_release</td> <td>Released</td> <td></td> </tr> <tr> <td>[[Windows Server 20H1]]</td> <td></td> <td>Released, Semi-Annual Channel release</td> <td></td> </tr> <tr> <td>[[Windows 10 20H2]]</td> <td rowspan="2">v20H2</td> <td rowspan="2">20H2</td> <td>October 2020 Update</td> <td>Released</td> <td></td> </tr> <td>[[Windows Server 20H2]]</td> <td></td> <td>Released, Semi-Annual Channel release</td> <td></td> </tr> <tr> <td>[[Windows 10 21H1]]</td> <td rowspan="2">v21H1</td> <td rowspan="2">21H1</td> <td>TBA</td> <td>In development</td> <td></td> </tr> <td>[[Windows Server 21H1]]</td> <td></td> <td>In development, Semi-Annual Channel release</td> <td></td> </tr> <tr> <td>[[Windows 10 Manganese]]</td> <td rowspan="2">N/A</td> <td rowspan="2">Manganese</td> <td rowspan="2">N/A</td> <td rowspan="2">mn_release</td> <td></td> <td></td> </tr> <tr> <td>[[Windows Server Manganese]]</td> <td></td> <td></td> </tr> <tr> <td>[[Windows 10 Iron]]</td> <td rowspan="2">N/A</td> <td rowspan="2">Iron</td> <td rowspan="2">N/A</td> <td rowspan="4">rs_prerelease</td> <td></td> <td></td> </tr> <tr> <td>[[Windows Server Iron]]</td> <td></td> <td></td> </tr> <tr> </tr> <tr> <td>[[Windows 10 Cobalt]]</td> <td rowspan="2">TBA</td> <td rowspan="2">Cobalt</td> <td rowspan="2">TBA</td> <td></td> <td></td> </tr> <tr> <td>[[Windows Server Cobalt]]</td> <td></td> <td></td> </tr> <tr> <th colspan="7"><h3>Windows CE</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows CE 1.0]]</td> <td>1.0</td> <td>Pegasus, Alder</td> <td colspan="3">First release. Unsupported as of December 31, 2001</td> <td></td> </tr> <tr> <td>[[Windows CE 2.0]]</td> <td>2.0</td> <td>Birch</td> <td colspan="3">Unsupported as of September 30, 2002</td> <td></td> </tr> <tr> <td>[[Windows CE 3.0]]</td> <td>3.0</td> <td>Cedar, Galileo</td> <td colspan="3">Unsupported as of October 9, 2007</td> <td></td> </tr> <tr> <td>[[Windows CE 4.x]]</td> <td>4.x</td> <td>Talisker, Jameson, McKendrick</td> <td colspan="3">Unsupported as of July 10, 2012</td> <td></td> </tr> <tr> <td>[[Windows CE 5.x]]</td> <td>5.x</td> <td>Macallan</td> <td colspan="3">Unsupported as of October 14, 2014</td> <td></td> </tr> <tr> <td>[[Windows Embedded CE 6.0]]</td> <td>6.x</td> <td>Yamazaki</td> <td colspan="3">Unsupported as of April 10, 2018</td> <td></td> </tr> <tr> <td>[[Windows Embedded Compact 7]]</td> <td>7.0</td> <td>Chelan</td> <td colspan="3">Unsupported as of April 13, 2021</td> <td></td> </tr> <tr> <td>[[Windows Embedded Compact 2013]]</td> <td>8.0</td> <td></td> <td colspan="3">Unsupported as of October 10, 2023</td> <td></td> </tr> <tr> <th colspan="7"><h3>Windows Pocket PC</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows Pocket PC 2000|Windows Pocket PC 2000]]</td> <td>2.x</td> <td>Rapier</td> <td colspan="3">Based on Windows CE 3.0</td> <td></td> </tr> <tr> <td>[[Windows Pocket PC 2002|Windows Pocket PC 2002]]</td> <td>3.x</td> <td>Merlin</td> <td colspan="3">Based on Windows CE 3.0</td> <td></td> </tr> <tr> <th colspan="7"><h3>Windows Mobile</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows Mobile 2003]]</td> <td>4.x</td> <td>Ozone</td> <td colspan="3">Based on Windows CE 4.20</td> <td></td> </tr> <tr> <td>[[Windows Mobile 5]]</td> <td>5.x</td> <td>Magneto</td> <td colspan="3">Based on Windows CE 4.60. Unsupported as of October 13, 2015</td> <td></td> </tr> <tr> <td>[[Windows Mobile 6]]</td> <td>6.x</td> <td>Crossbow</td> <td colspan="3">Based on Windows CE 5.10</td> <td></td> </tr> <tr> <th colspan="7"><h3>Windows Phone</h3></th> </tr> <tr> <th>Trade name</th> <th>Version</th> <th>Codename</th> <th colspan="3">Additional information</th> <th>Available on FTP?</th> </tr> <tr> <td>[[Windows Phone 7]]</td> <td>7.0</td> <td>Windows Phone 7</td> <td colspan="3">Unsupported since October 14, 2014, last version based on Windows CE</td> <td></td> </tr> <tr> <td>[[Windows Phone 7.5]]</td> <td>7.5</td> <td>Mango / Tango</td> <td colspan="3">First major update to Windows Phone 7</td> <td></td> </tr> <tr> <td>[[Windows Phone 7.8]]</td> <td>7.8</td> <td></td> <td colspan="3">The last major update to Windows Phone 7</td> <td></td> </tr> <tr> <td>[[Windows Phone 8]]</td> <td>8.0</td> <td>Windows Phone 8, Portico (GDR1), Blue (8.1) </td> <td colspan="3">First version to use the NT kernel</td> <td></td> </tr> <tr> <td>[[Windows Phone 8.1]]</td> <td>8.1</td> <td>Blue</td> <td colspan="3">First major update to Windows Phone 8</td> <td></td> </tr> <tr> <td>[[Windows 10 Mobile]]</td> <td>10.0</td> <td>Windows 10 Mobile</td> <td colspan="3">First version to run the same Windows OS as small tablets and PC. No longer in active development.</td> <td></td> </tr> </table> (yes it is large)