Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Learn the step for turning Bluetooth on or off in Windows using the Settings app, quick settings, and action center.

See Activate Windows for general info about activation, including how to choose your activation method. See Reactivating Windows after a hardware change for more info about reactivating …

Select Start > Settings > System > Sound. In Input, select the microphone that you want to test. In Input settings, look at Input volume while speaking into the microphone. If the bar moves while …

If you make significant hardware changes on your device, such as replacing your motherboard, Windows will no longer find a license that matches your device, and you’ll need to reactivate …

Learn how to connect your Windows PC to external monitors and adjust the display settings.

If you're trying to activate Windows 10, see Activate Windows for more info. If version 22H2 isn't offered automatically through Check for updates, you can get it manually through the Windows …