Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

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

In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

Learn how to view, manage, and delete cookies in Microsoft Edge.

Windows Security is pre-installed on Windows 10 and ready for you to use at any time.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: