Another way is look on your local drive for a Program Files (x86) folder. A 64bit OS will have both folders:
Program Files (x86)
Also, if your running XP Home it's 32bit, as only XP Pro came in both versions.
(I know your running Pro, this is just other info)
Last edited by mrZoSo; 05-18-2009 at 04:21 AM.
Thanks for the additional information.
Here's some more info. I loaded it in VMWare and took some screen shots.
System Properties - right click on My Computer>Select Properties or Control Panel>System
The Folders - My Computer>Local Disk (usually C)
System Information - Start>All Programs>Accessories>System Tools>System Information