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.

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.

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.

When Windows is installed on your computer it can be installed as a 32-bit version or a 64-bit version. For most people, whether they use a 32-bit or a 64-bit version of Windows does not make a ...

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.