Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Learn how to download, install, and configure additional language packs for your version of Windows.

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

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

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:

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.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

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

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

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 .