No. 64-bit Windows will not run on 32-bit architecture, and, in fact, you can't even install it. That said, you can install and run 32-bit Windows on any hardware, both 32-bit and 64-bit.

64-bit computing is replacing 32-bit, mainly because 64-bit enables faster hardware and software. Here's the rundown on the ongoing 32-bit vs. 64-bit debate.

It is time to start thinking about 64-bit computing with the 64-bit version of Windows Server on the horizon. Here are the top five benefits it can offer.