Get answers to some common questions about 32-bit and 64-bit versions of Windows.

Use the 32-bit installer if you’re using a 32-bit version of Windows and the 64-bit installer with a 64-bit version of Windows. To determine which version of Windows you’re using, follow the steps in Method …

If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version of Windows. If the value that corresponds to Processor starts with ia64 or AMD64, the computer is …

Get answers to some common questions about 32-bit and 64-bit versions of Windows.

Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office.

Oct 14, 2025 · Learn how to find basic information about your Windows device, including the device name, version of Windows, hardware details and avaialble storage space.

Method 2: Use the 32-bit version of Regsvr32 to register a 32-bit DLL on a 64-bit version of WindowsIf you receive an error when registering a 32-bit DLL on a 64-bit version of Windows, follow these steps:

Learn how to fix "couldn't install Office" error related to 64-bit or 32-bit versions of Microsoft Office.

To change from a 32-bit version to a 64-bit version or vice versa, you need to uninstall Microsoft 365 first (including any stand-alone Microsoft 365 apps you have such as Project of Visio).

Oct 14, 2025 · Download Windows 7 SP1 or Windows 8.1 Update. Processor: 1 gigahertz (GHz) or faster processor or SoC RAM: 1 gigabyte (GB) for 32-bit or 2 GB for 64-bit Hard disk space: 32 GB …