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.

Click Start, type system in the search box, and then click System Information in the Programs list. When System Summary is selected in the navigation pane, the operating system is displayed as follows:

If you're not sure which Office or Microsoft 365 product you have, see What version of Office am I using? Otherwise, pick your version of Office or Microsoft 365 from below.

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 …

Microsoft 365 apps are no longer supported on Windows 7, Windows 8, Windows 8.1 or Windows 10 now that these operating systems have reached their end of support dates.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Availability and service options may vary by product, market, and over time. To learn more, see Self-repair information for your Surface device. Related topics Which Surface model do I have? Which …

Learn what version of Outlook you're using, and get link for setup, how to import and export email, contacts, and calendar.

In such cases, because a 64-bit operating system can handle large amounts of memory more efficiently than a 32-bit operating system, a 64-bit system can be more responsive when running several …

You'll need to make sure the version you install is the same version as you currently have, or newer. Check out Which version of OneDrive am I using? for more information. Your device will be …