Many programs offer both 32-bit and 64-bit versions, and selecting the wrong one can lead to installation errors or poor performance.

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. However, 32-bit versions ...

There are a lot of PC users out there running 64-bit Windows instead of 32-bit, but who either don’t realize it or just haven’t bothered installing the 64-bit versions of their favorite programs.

In addition, because 64-bit Windows 7 supports more physical RAM than 32-bit Windows 7 (192GB on non-Home versions vs. 4GB for any 32-bit flavor), you can easily expand your PC’s capabilities ...

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.

We discuss what you can do if you see the Unsupported 16-bit Application error on Windows 11/10 PC, after knowing why you see this message.

Your new computer has a 64-bit processor, but your software probably is still 32-bit. Why haven't software developers done more about it?