Windows X.XX

Windows X.XX is a Windows family for consumers.

Version writing scheme
Legend:
 * M = Major Release Number
 * S = Small Release Number
 * = Used when the value isn't 0

Before Windows 5
Microsoft Windows M.S (M.SS)

Windows 5.x
Microsoft Windows M (M.S/M.SS)

After Windows 6
Windows M (M.S/M.SS)

Versions

 * Windows 1.0 (1985)
 * Windows 1.0 Romanian Edition (1989)
 * Windows 2.0 (1987)
 * Windows 2.1 (1988)
 * Windows 3.0 (1990)
 * Windows 3.1 (1992)
 * Windows 3.2 (1993)
 * Windows 4.0 (1995)
 * Windows 4.1 (1996)
 * Windows 5 (1999)
 * Windows 5.1 (2002)
 * Windows 6 (2006)
 * Windows 7 (2009)
 * Windows 8 (2012)
 * Windows 8.1 (2013)
 * Windows 9.0 (2014)
 * Windows 10 (2015)
 * Windows 11 (2021)
 * Windows 11 PC (2022)
 * Windows 12 (2027)