actividad 1 By fran anzue Nov 20, 1985 windows 1.0 Dec 9, 1987 windows 2.0 May 22, 1990 windows 3.0 Aug 24, 1996 windows 4.0 Aug 1, 2001 windows 5.0 Jan 6, 2007 windows 6.0 Oct 22, 2009 windows 7.0 Oct 27, 2012 windows 8.0 Jul 29, 2015 windows 10