Possible Duplicate:
OS version: 32-bit or 64-bit?

How can I find out which version of Windows 7 I am running? 64-bit or 32-bit?

marked as duplicate by Mehper C. Palavuzlar, BinaryMisfit Mar 3 '10 at 10:58

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Right click Computer->properties. Under system look at "system type", there you have it.

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