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.

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.

FInd out how to clean uninstall 32-bit Microsoft Office & install 64-bit. This version is better if you have 64-bit computer & work with large data sets daily.

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.

Will my programs still be compatible? Answer: The short answer is yes. Windows 7 64-bit has backwards compatibility with most 32-bit programs. Just start installing them — they should work fine.