See some of the most common upgrade and installation errors for Windows 10 and Windows 11, and what you can do to try to fix them.

Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

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

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Jan 12, 2007 · Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.

What do the OneDrive error codes mean? We're sorry you're having problems with OneDrive. Select your error message or error code from the lists below to learn more.

You can upgrade from Windows 10 to Windows 11 if your device meets hardware specifications, and if the Windows 11 release has been made available to your device.

In this article, we will help you find your error code and suggest what you might try to correct the error. Follow the recommended resolutions for that error code.