Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Learn how to troubleshoot and fix problems setting up your email in Outlook.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Use your scanner and download an app from Microsoft Store to scan a document or picture to your PC.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

Tip: If you have a Microsoft 365 Family subscription, people you've shared the subscription with can also set up a personalized email address with your connected domain.After you've set up your domain, people you've shared with will see an option to add a personalized email address in the premium features section of Outlook settings.