Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

Découvrez comment modifier ou réinitialiser votre mot de passe Windows si vous l’avez oublié ou perdu.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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

If you’re having problems getting connected to a network and can’t get onto the Internet, here are some things you can try in Windows.

Get the steps for turning Windows Defender Firewall on or off.

Find out how to submit a case review and learn more about your Xbox enforcements.