Understanding whether your Windows PC is running a 32-bit or 64-bit version is crucial when installing apps. Many programs offer both 32-bit and 64-bit versions, and selecting the wrong one can ...

If you want to know if an installed software or program is 32-bit or 64-bit, then 1 of these 4 tricks will tell you if it is a 32-bit or 64-bit app.

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.

If you're confused about the differences between a 32-bit and 64-bit operating system, we break down the key differences between them. Here's what we know.

LAS VEGAS–At the Comdex trade show here today, Advanced Micro Devices Inc. will demonstrate its high-end, 64-bit microprocessor running a prototype version of Microsoft Corp.'s 64-bit Windows ...