Xerox Star
1981

Lisa OS
1983

System 1
1984

AmigaOS 1.0
1985

Windows 1.01
1985

NeXTSTEP
1989

Windows 3.0
1990

System 7
1991

Windows 95
1995

Mac OS 8
1997

Mac OS X 10.0
2001

Windows XP
2001

Windows Vista
2007

Mac OS X Lion
2011

Windows 10
2015