64bit Hardware support

64bit Hardware support I am using C2D processor which supports EM64T instructions. Is that all what is required for running 64 bit OS and applications?
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Guest [Entry]

"Primarily all you need is a processor that claims AMD64 or EM64T compatability in order to run a 64-bit OS. There are a number of newer functions available on newer 64 bit processors like AMD-V or similar for virtualisation (running another OS within your current OS) but they are not needed to run a 64-bit OS.

I am running Windows 7 64-bit on an early generation AMD X2 64-bit processor and it works fine, you should have no problem with a C2D.

64-bit simply allows a much larger address space so that the computer can use more RAM effectively. Ignoring the fact that a 32-bit computer could in theory see more than 4GB of RAM it will not be as effective as using it as a full 64-bit OS."

Guest [Entry]

Yes,a 64-bit processor is what's required for running an 64-bit OS,the other requirements differ according to the OS itself