Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Get the steps for setting up dual monitors on your Windows PC.

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Learn how to get Outlook set up to work with Microsoft 365, POP, IMAP, or Microsoft Exchange-based email accounts.

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.