Page First Online: August 30,2008
Page Last Updated: December 31,2009
 

A number of people do not know if they are running a 32 bit version of Windows Vista or a 64 Bit Version of Vista. To know this answer is very important because a number of vendors and software applications do not yet support Vista 64.

First the Answer (if you are reading this page from the computer you have question about):

Your Details Are Here!

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If you see Win64, you are most likely running a 64 Bit version of Windows Vista (or 64 Bit Windows 2003)

How to tell if you are running Vista 32 or Vista 64?

Click on the Start Button and type "System"
A Popup of choices will appear.
Choose System again. Then look under System Type:

How to find out if you are running Windows Vista 64

See Also:

• Topics on Windows Vista