Cyber Dimensions....

Windows OS :Historical Time line of Windows

Windows based on 9x Kernel
Windows based on NT Kernel
Nov 1983 - Announces Windows OS
Nov 1985 - Windows 1.0
Apr 1987 - Windows 2.0
May 1990 - Windows 3.0
Apr 1992 - Windows 3.1
Aug 1993 - Windows NT 3.1
Feb 1994 - Windows 3.11
Sep 1994 - Windows NT 3.5
Aug 1995 - Windows 95
Jun 1995 - Windows NT 3.51
Aug 1996 - Windows NT 4.0
Jun 1998 - Windows 98
May 1999 - Windows 98SE
Sep 2000 - Windows ME
Feb 2000 - Windows 2000
Aug 2000 - Windows 2000 Data center
Oct 2001 - Windows XP
Mar 2003 - Windows Server 2003
Jan 2007 - Windows Vista