I'm starting to upgrade my PC piece by piece. I just upgraded my video card, and I'm getting an SSD to load my OS on. I'm going to upgrade from Windows XP 32 bit to Windows 7, but I'm unsure if my current system will support 64 bit or not.
The only requirment to run 64bit is if your CPU has the proper instruction set to run it. All modern CPUs have this so yes you can run it without issue. You don't need more power to run it either as it is acualy more effienct than 32 bit it is theoreticly a faster version of windows.