Type winmsd.exe, and then click OK. When System Summary is selected in the navigation pane, locate Processor under Item in the details pane. Note the value. If the value that corresponds to Processor starts with x86, the computer is running a 32-bit version 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 1 or 2. If one method doesn’t work, try the other.

Find out how to choose between the 64-bit or 32-bit version of Office. Get answers to some common questions about 32-bit and 64-bit versions of Windows.

If you're not sure which OneDrive version is better for you, you can review the reasons to choose the 64-bit version, the 32-bit version, ARM64 version for Windows, or the Apple silicon version for Mac. If you know what version you want, you can learn how to install it.

To install either the 32 or 64-bit version of Microsoft 365, Office 2021, or Office 2019, follow the steps in Install Office on a PC. Important: If you install the 64-bit version, but want the 32-bit version instead, you must first uninstall the 64-bit version before installing the 32-bit version.

Select the Microsoft 365 folder from the virtual drive and then double-click either the Setup32.exe to install the 32-bit version of Microsoft 365, or Setup64.exe to install the 64-bit version to begin the offline installation.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Download the installer for 64-bit versions of Windows Server 2003 or 64-bit versions of Windows XP. This redistributable component is only for 32-bit operating systems. You cannot install this component on a computer that is running the 64-bit versions of Windows Server 2003 or of Windows XP.

Install the 32-bit or 64-bit version of Office. Select your version below and follow the installation steps. Microsoft 365, Office 2019, or Office 2016 (Follow the steps to select a specific bit version, such as 64-bit if that's the version you need.)

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.