Knowing if your copy of Windows is 32-bit or 64-bit becomes very important when installing device drivers for your hardware and choosing between certain kinds of software.

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 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.

Understanding whether your Windows PC is running a 32-bit or 64-bit version is crucial when installing apps.

Because x64 processors are backwards-compatible, you can install and run 32-bit as well as 64bit versions of Windows onto them. Of course, if you bought an x64 computer from a major manufacturer ...

From the same Windows site, click the ISO link here and fill in your information. Choose the appropriate version for your system, either 32-bit or 64-bit.

Finding out whether you're using the 32-bit or 64-bit version of Internet Explorer in Windows 8 is as simple as finding out which version of Windows you're using.