Mac & Windows OS Versions
macOS Versions
| Name | Version | Release Date | End of Life |
| macOS Sequoia | 15 | 2024-09-16 | TBA |
| macOS Sonoma | 14 | 2023-09-26 | TBA |
| macOS Ventura | 13 | 2022-10-24 | 2025-10-24 |
| macOS Monterey | 12 | 2021-10-25 | 2024-09-16 |
| macOS Big Sur | 11 | 2020-11-12 | 2023-09-26 |
| macOS Catalina | 10.15 | 2019-10-07 | 2022-09-12 |
| macOS Mojave | 10.14 | 2018-09-24 | 2021-10-25 |
| macOS High Sierra | 10.13 | 2017-09-25 | 2020-12-01 |
| macOS Sierra | 10.12 | 2016-09-20 | 2019-10-01 |
| OS X El Capitan | 10.11 | 2015-09-30 | 2018-12-01 |
| OS X Yosemite | 10.10 | 2014-10-16 | 2017-08-01 |
| OS X Mavericks | 10.9 | 2013-10-22 | 2016-12-01 |
| OS X Mountain Lion | 10.8 | 2012-07-25 | 2015-08-13 |
| Mac OS X Lion | 10.7 | 2011-07-20 | 2012-10-04 |
| Mac OS X Snow Leopard | 10.6 | 2009-08-28 | 2011-07-25 |
| Mac OS X Leopard | 10.5 | 2007-10-26 | 2009-08-13 |
| Mac OS X Tiger | 10.4 | 2005-04-29 | 2007-11-14 |
| Mac OS X Panther | 10.3 | 2003-10-24 | 2005-04-15 |
| Mac OS X Jaguar | 10.2 | 2002-08-24 | 2003-10-03 |
| Mac OS X Puma | 10.1 | 2001-09-25 | 2002-06-06 |
| Mac OS X Cheetah | 10.0 | 2001-03-24 | 2001-06-22 |
Windows Versions
| Name | Version | Codename | Release Date | End of Life |
| Windows 11 | 24H2 | 24H2 | 2024-10-01 | 2026-10-13 |
| Windows 11 | 23H2 | 23H2 | 2023-10-31 | 2025-11-11 |
| Windows 10 | 22H2 | 22H2 | 2022-10-18 | 2025-10-14 |
| Windows 11 | 22H2 | Sun Valley 2 | 2022-09-20 | 2024-10-08 |
| Windows 10 | 21H2 | 21H2 | 2021-11-16 | 2023-06-13 |
| Windows 11 | 21H2 | Sun Valley | 2021-10-04 | 2023-10-10 |
| Windows 10 | 21H1 | May 2021 Update | 2021-05-18 | 2022-12-13 |
| Windows 10 | 20H2 | Oct 2020 Update | 2020-10-20 | 2022-05-10 |
| Windows 10 | 2004 | May 2020 Update | 2020-05-27 | 2021-12-14 |
| Windows 10 | 1909 | Nov 2019 Update | 2019-11-12 | 2021-05-11 |
| Windows 10 | 1903 | May 2019 Update | 2019-05-21 | 2020-12-08 |
| Windows 10 | 1809 | Oct 2018 Update | 2018-11-13 | 2020-11-10 |
| Windows 10 | 1803 | April 2018 Update | 2018-04-30 | 2019-11-12 |
| Windows 10 | 1709 | Fall Creators Update | 2017-10-17 | 2019-04-09 |
| Windows 10 | 1703 | Creators Update | 2017-04-11 | 2018-10-09 |
| Windows 10 | 1607 | Anniversary Update | 2016-08-02 | 2018-04-10 |
| Windows 10 | 1511 | Threshold 2 | 2015-11-10 | 2017-10-10 |
| Windows 10 | 1507 | Threshold 1 | 2015-07-29 | 2017-05-09 |
| Windows 8.1 | 8.1 | Blue | 2013-10-17 | 2023-01-10 |
| Windows 8 | 8 | N/A | 2012-10-26 | 2016-01-12 |
| Windows 7 | 6.1 | N/A | 2009-10-22 | 2020-01-14 |
| Windows Vista | 6.0 | Longhorn | 2007-01-30 | 2017-04-11 |
| Windows XP | 5.1 | Whistler | 2001-10-25 | 2014-04-08 |
| Windows Me | 4.90 | Millennium (Me) | 2000-09-14 | 2006-07-11 |
| Windows 98 | 4.10 | Memphis | 1998-06-25 | 2006-07-11 |
| Windows 95 | 4.00 | Chicago | 1995-08-24 | 2001-12-31 |
| Windows 3.1 | 3.10 | Janus | 1992-04-06 | 2001-12-31 |
| Windows 3.0 | 3.00 | N/A | 1990-05-22 | 2001-12-31 |
| Windows 2.0 | 2.03 | N/A | 1987-12-09 | 2001-12-31 |
| Windows 1.0 | 1.01 | Interface Manager | 1985-11-20 | 2001-12-31 |