Evolución del S.O.

MS-DOS(1980) ,Windows 1.0(1985),Windows 2.0(1987),

Windows 2.1x(1988),Windows 3.0(1990),Windows 3.1(1992),

Windows 3.11(1992)

Windows NT 3.1(1993),Windows NT 3.5 (1994),Windows 95(1995),Windows NT 3.51(1995),Windows NT 4.0(1996),

Windows 98(1998)

Windows 2000(2000),Windows Millennium(2000),

Windows XP(2001), Windows Server 2003(2003),

Windows Vista(2006), Windows Server 2008(2008)

Windows 7(2009), Windows 8(2012)

http://es.wikipedia.org/wiki/Microsoft

http://es.wikipedia.org/wiki/Microsoft_Windows