windows

windows 1.0

Nov 20, 1985

copies sold in 1 year-500,000

windows 2.0

Dec 9, 1987

copies sold in 1 year-1,000,000

windows 3.0

May 22, 1990

copies sold 1 year-4,000,000

windows for workgroups 3.1

Apr 6, 1992

copies sold in 1 year-3,000,000

windows NT 3.1

Jul 27, 1993

copies sold in 1 year-25,000

windows 95

Aug 15, 1995

copies sold in 1 year- 40,000,000

windows NT 4.0

Aug 24, 1996

copies sold in 1 year- unknown

windows 98

Jun 25, 1998

copies sold in 1 year- 530,000

windows 98 SE

May 5, 1999

copies sold in 1 year-530,000

windows 2000

Feb 17, 2000

copies sold in 1 year-1,000,000

windows ME

Jun 19, 2000

copies sold in 1 year-200,000

windows XP

Aug 24, 2001

copies sold in 1 year-4,000,000

windows XP Professional x64 Edition

Apr 25, 2005

copies sold in 1 year-17,000,000

windows VISTA

Nov 8, 2006

copies sold in 1 year-20,000,000

windows 7

Jul 22, 2009

copies sold in 1 year-100,000,000

windows 8

Oct 26, 2012

copies sold in 1 year-100,000,000

windows 10

Jul 29, 2015

copies sold in 1 year-200,000,000