S
Windows NT 3.1W
Windows NT 3.1
Windows NT 3.5W
Windows NT 3.5
A
Windows NT 3.51W
Windows NT 3.51
Windows NT 4.0W
Windows NT 4.0
B
Windows 7W
Windows 7
Windows 8W
Windows 8
C
Windows 8.1W
Windows 8.1
Windows 10W
Windows 10
D
Windows 2000W
Windows 2000
Windows Home ServerW
Windows Home Server
E
Windows Home Server 2011W
Windows Home Server 2011
Windows VistaW
Windows Vista
F
Windows SpotlightW
Windows Spotlight
Windows XPW
Windows XP