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#1
32 or 64 bit OS? - 32 or 64 bit CPU?
You bought your computer, Windows pre-installed and you are not sure whether your have Win 7 32 bit or Win 7 64 bit.
You don't know if your computer is capable of running 64 bit Windows or
you don't know if your computer has hardware to support virtualization or
you don't know if your computer has hardware to protect your data.
The answer to the first is straight Win 7.
The second one uses a very small program from Gibson Research Corporation.
32 or 64 bit Windows installed?
WIN + Pause/Break key
System section, System type – indicates 32 or 64 bit operating system
CPU Support 64 bit operating system?, Hardware Data Execution Prevention?, Hardware Virtualization?
GRC|SecurAble: Determine Processor Security Features|
Last edited by Brink; 12 Apr 2010 at 22:07. Reason: added link