When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11.

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

Extensions, or add-ons, are simple tools that customize your browser experience and offer you more control. Here's how to add, turn off, and remove them in Microsoft Edge .

Check the Xbox services, games, and apps for any service outages.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

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:

Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.