8. 1. Windows10 29/07/2015
2. Windows 8 26/10/2011
3. Windows 7 22/10/2009
4. Windows Vista 30/01/2007
5. Windows XP 25/10/2001
6. Windows Millenium (ME) 14/09/2000
7. Windows 2000 17/02/2000
8. Windows 98 25/06/1995
9. Windows 95 24/08/1995
10. Windows NT 07/1993
11. Windows 3.X 22/05/1990
12. Windows 1.X/2.X 20/06/1985
13. MS-DOS 1981