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

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

XBOX Support ... XBOX Support

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

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Walk me through how to install classic Outlook on Windows How do I configure languages? Set up classic Outlook after a fresh install

Project Online Professional or Project Online Premium: If you have a subscription to one of the cloud-based solutions of Project you won't see an option to install it unless you have an assigned license. If you're the Microsoft 365 admin responsible for assigning licenses, see Assign licenses to users.

Learn how to create installation media for installing or reinstalling Windows.

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