This feature allows users to run 16-bit applications on 32-bit computers. However, the feature is not available on Windows 11 and other 64-bit versions like Windows RT and Windows 10 IoT Core.

Similar is the case for applications, hence you will have to uninstall the 32-bit application and then install the 64-bit one, if available.

However, Microsoft allows the desktop version of the 64-bit Explorer application to process Web pages in 32-bit compatibility mode to accommodate older browser 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 ...

The default installer for Office 365 is the 32-bit version. If you need the 64-bit version of Office, we'll show you how to get it.