I am currently running the 32-bit version of Windows Vista Home Premium but I’m wondering why I can’t run the 64 bit version. If my processor is named 64 then why isn’t it 64 bit? In the System Properties dialog box under Environmental Variables it lists the PROCESSOR_ARCHITECTURE as x86 and the PROCESSOR_IDENTIFIER as x86 Family 15 Model 75 Stepping 2, Aut… What’s the deal?