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

You can use drag and drop to open email messages saved with the extension .eml, .msg, .oft in new Outlook for Windows.

Fix-it tools aren’t used in Windows 10. Instead, use a troubleshooter to help solve problems with your PC.

Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.

If you’re having sound or audio problems, the following suggestions might help. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

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

Check the Xbox services, games, and apps for any service outages.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn how to manage background activity for apps to help save battery power in Windows.