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

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 install a scanner and use it to scan pictures and documents in Windows 10.

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

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

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:

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

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

Use Find my device to locate and lock your lost or stolen Windows devices.

Quick Assist lets someone you trust take over your Windows 10 or Windows 11 PC and fix a problem from wherever they are.