Hi ariel0! Welcome to the Windows 7 Forums website!

On what Digerati stated. 32-bit or x86 hardware and software are becoming a thing of the past.
64-bit or x64 hardware and software are here now and for the future, so jump on the bandwagon and enjoy the extra benefits of a wider bus speed and quicker response times.
You'll never regret it. The ONLY issues I know of, and I'm sure I'll be corrected by others here, is the fact that some of the older printers and scanners don't have 64-bit drivers available for them. Mostly for the Canon, HP and a few Epson products.