MS WINDOWS

WINDOWS 1.0 : 20, NOV. 1985
WINDOWS 2.0 : 9, DEC. 1987
WINDOWS 3.0 : 22, MAY 1990
WINDOWS 95 : 24, AUG. 1995
WINDOWS NT4.0 : 29, JULY 1996
WINDOWS 98 : JUNE 1998
WINDOWS 2000 : 17, FEB. 2000
WINDOWS XP : 25, OCT. 2001
WINDOWS 8 : 26, OCT. 2012
WINDOWS 10 : 29, JULY 2015
WINDOWS 11 : 5, OCT. 2021

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