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 ...

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.

Many a time we download the wrong version of the software, and then it doesn’t install. While 32-bit versions work fine on 64-bit, if you have installed it by accident, here is how you can ...

64-bit applications are usually installed in the “C:\Program Files” folder, while 32-bit applications install themselves in the “C:\Program Files (x86)” folder.

For Windows XP, it will only tell you if its 64-bit and it will be shown in the System area under the operating system name. If its a 32-bit version of XP it will not give a bit type at all.

Windows 10 can run on both 32-bit and 64-bit processor architectures. If you have a computer with a 32-bit setup, you can upgrade to the 64-bit version without acquiring a new license.

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.

The short answer is that you should go with Windows 7 64-bit unless you're running a system well into its antiquity where driver support is going to become an issue.