Windows LT

Windows LT Delt (1985)
Windows LT Alpha (1987)
Windows LT Beta (1989)
Windows LT 1 (1991)
Windows LT 2 (1992)
Windows LT 3 (1993)
Windows LT 4 (1993)
Windows LT 5 (1994)
Windows LT 6 (1996)
Windows LT 7 (1998)
Windows LT 8 (2000)
Windows LT 9 (2001)
Windows LT 10 (2001)
Windows LT 11 (2002)
Windows LT 12 (2004)
Windows LT 13 (2005)
Windows LT 14 (2006)
Windows LT 15 (2008)
Windows LT 16 (2009)
Windows LT 17 (2011)
Windows LT 18 (2012)
Windows LT 19 (2014)
Windows LT 20 (2015)
Windows LT 21 (2017)
Windows LT 22 (2018)
Windows LT 23 (2019)
Windows LT 24 (2023)
Windows LT 25 (2025)
Windows LT 26 (2028)
Windows LT 27 (2031)
Windows LT 28 (2033)
Windows LT 29 (2037)
Windows LT 30 (2040)
Windows LT 31 (2045)
Windows LT 32 (2052)
Windows LT 33 (2054)
Windows LT 34 (2057)
Windows LT 35 (2058)
Windows LT 36 (2059)
Windows LT 37 (2063)
Windows LT 38 (2066)
Windows LT 39 (2073)
Windows LT 40 (2080)
Windows LT 41 (2087)
Windows LT 42 (2091)