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How can one determine if the 32 or 64 bit version of Windwos Server 2008 is installed on a machine?

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up vote 9 down vote accepted

Right Click on My Computer -> Properties (then look under windows edition)

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Start > Run > type: Winver and hit enter

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Check the PROCESSOR_ARCHITECTURE system variable. x86 = 32bit, something else = 64bit (mine say AMD64).

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If you have a "Program Files (x86)" folder on your system drive, you have 64 bit If not, you have 32 bit

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