-
Windows 1.0
x86 – 16-bit -
Windows 2.0
x86 – 16-bit -
Windows 3.0
x86 – 16-bit -
Windows NT 4.0
IA-32, DEC Alpha, MIPS, PowerPC -
Windows 98
IA-32 -
Windows XP
IA-32 -
Windows Vista for Business use
IA-32, x64 -
Windows Vista for Home use; released in fifty countries
IA-32, x64 -
Windows 8
IA-32, x64 -
Windows 7
IA-32, x64