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

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

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:

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

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.

Note: Whether you set the toggle to Off or On, you'll still get the regular security updates as usual.The toggle determines how quickly you get the additional non-security updates, fixes, feature updates, and improvements. Want to learn about Windows monthly updates?

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn what you can do if you're not receiving account aign-in verification codes.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Windows 10 and 11 contain a large set of emojis. To insert one: Put your cursor where you want the emoji.