Microsoft Windows operating system:
- Windows 11, released in 2021
- Windows 10, released in 2015
- Windows 8.1, released in 2013
- Windows 8, released in 2012
- Windows 7, released in 2009
- Windows Vista, released in 2007
- Windows XP Professional x64 Edition, released in 2005
- Windows XP, released in 2001
- Windows ME, released in 2000
- Windows 2000, released in 2000
- Windows 98, released in 1998
- Windows NT 4.0, released in 1996
- Windows 95, released in 1995
- Windows NT 3.51, released in 1995
- Windows NT 3.5, released in 1994
- Windows 3.2, released in 1993
- Windows NT 3.1, released in 1993
- Windows 3.1, released in 1992
- Windows 3.0, released in 1990
- Windows 2.1x, released in 1988
- Windows 2.0, released in 1987
- Windows 1.0, released in 1985
Server versions
- Windows Server 2022
- Windows Server 2019
- Windows Server 2016
- Windows Server 2012 (R2)
- Windows Server 2008 (R2)
- Windows Server 2003 (R2)
- Windows 2000 Server
- Windows NT 4.0
- Windows NT 3.51
- Windows NT 3.5
- Windows NT 3.1