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

Learn how to reinstall Windows on your PC and how activation works after it's installed.

You can choose which apps will start automatically when you start your device.

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

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

An overview of location permissions and your privacy in the Microsoft Edge web browser.

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

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: