1.0, 2.0, 3.0, 3.1, 95, 98, ME, 2000, XP, Vista, 7
what the heck is that .. some marketing guy needs to get fired in Microsoft
lol, not really, the name makes sense as far as MS are concerned.
It follows like this :
1 - Windows 1.0
2 - Windows 2.0
3 - Windows 3.0, 3.1, NT 3.1, NT 3.5 (All version 3)
4 - Windows 95 was V 4.0 which ran parallel to NT 4.0, Win 98 was 4.10.1, Win ME was 4.10.2 (All version 4)
5 - Windows 2000 was V 5.0 and XP was 5.1 (All version 5 and first consumer based NT)
6 - Windows Vista is Version 6.0
7 - Windows 7 - The 7th release of windows