Windows Server 2012 R2 : Filtro WMI Windows 7 32 y 64 Bits

Aqui los teneis, probados y totalmente funcionales :

Windows 7 32 bit:

select * from Win32_OperatingSystem WHERE Version like "6.1%" AND
ProductType="1" AND NOT OSArchitecture = "64-bit"

Windows 7 64 bit:

select * from Win32_OperatingSystem WHERE Version like "6.1%" AND
ProductType="1" AND OSArchitecture = "64-bit"