Add Yahoo as a preferred source to see more of our stories on Google. Not sure if your installed version of Windows is 32-bit or 64-bit? One quick way to tell is by looking at information about your ...

If you have a 64-bit CPU, you might be itching to try a 64-bit OS. While software support has grown from Windows XP x64 Edition, you'll probably still want to keep Windows XP 32-bit on your hard disk ...

To make a long story short, a client of mine needed to upgrade some Win2k computers to XP. They jumped the gun, and purchased an OEM 3-pack of the 64-bit version of Windows XP, not realizing their ...

I bought a Pro Upgrade license and reading up on it, it looks like the 64-bit version won't upgrade XP 32-bit, but will instead do a clean install (wiping out the XP install in the process).