The guys at Web Designer Depot put together a list of screenshots from various Operating Systems dating back nearly 30 years. If you haven’t had a browse already ensure you do, otherwise have a skim of our selection below including the latest Windows 7 release.

Xerox 8010 Star (released in 1981)

os interface design 001 1 Operating System interface design from 1981 to 2009

Apple Lisa Office System 1 (released in 1983)

os interface design 002 Operating System interface design from 1981 to 2009

Windows 2.0x (released in 1987)

os interface design 010 Operating System interface design from 1981 to 2009

Mac OS System 8 (released in 1997)

os interface design 021 Operating System interface design from 1981 to 2009

Mac OS X Leopard (released in 2007)os interface design 030 Operating System interface design from 1981 to 2009

GNOME 2.24 (2008)

os interface design 0311 Operating System interface design from 1981 to 2009

Windows 7 Release Candidate 1

windows7100 2 Operating System interface design from 1981 to 2009