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.

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.

While 32-bit programs can run easily on 64-bit PCs, vice-versa is not possible. So upgrading opens up access to applications which only work on 64-bit.

It is, though, important to know whether you are running a 64-bit or 32-bit version of Windows when performing certain tasks on your computer.

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 ...

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.

Office 365 is installed as a 32-bit program on your Windows PC by default. Microsoft recommends the 32-bit version, even on 64-bit systems, to avoid compatibility issues with third-party add-ons.

If your version of Windows is 64-bit, you're able to install both 32-bit and 64-bit software programs, so there are two different "Program Files" folders on your computer.