Real Windows Operating Systems

Windows is a series of operating systems released by Microsoft. For information on the actual Windows operating systems, please check out another source, such as Wikipedia. The fake operating systems as part of the Windows Never Released series may be based on the official and released operating systems, and may also be named after the official operating systems, such as Windows XP 2021 Edition.

Below is a list of real Windows operating systems released by Microsoft in real-life.

Pre-NT

 * Windows 1.0 (1985)
 * Windows 2.0 (1987)
 * Windows 3.0 (1990)
 * Windows 3.1 (1992)
 * Windows 95 (4.0, 1995)
 * Windows 98 (4.1, 1998)
 * Windows Millennium Edition (Windows ME, 4.9, 2000)

NT

 * Windows NT 3.1 (1993)
 * Windows NT 3.5 (1994)
 * Windows NT 3.51 (1994)
 * Windows NT 4 (1996)
 * Windows 2000 (5.0, 2000)
 * Windows XP (5.1, 2001)
 * Windows Vista (6.0, 2006)
 * Windows 7 (6.1, 2009)
 * Windows 8 (6.2, 2012)
 * Windows 8.1 (6.3, 2013)
 * Windows 10 (2015)
 * Windows 11 (2021)