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.

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.

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 ...