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 troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Learn how to earn Microsoft Rewards points when you browse the web with Microsoft Edge, search on Bing.com, and more.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

Learn how to use Remote Desktop in Windows. On your Windows, Android, or iOS device: Open the Remote Desktop app (available for free from Microsoft Store, Google Play, and the Mac App Store), and add the name of the PC that you want to connect to (from Step 1). Select the remote PC name that you added, and then wait for the connection to complete.

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.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

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