Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.

Focus is a new feature in Windows 11 that helps you minimize distractions. To help you stay on track, it integrates with the Clock app with features like a focus timer and music integration.

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.

Découvrez comment accéder à vos options de connexion Windows et les gérer. Utilisez un mot de passe, un Windows Hello ou une clé de sécurité pour déverrouiller votre appareil.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.

Learn more about what background apps are in Windows and how to turn them off when you're not using them.

Obtenga información sobre cómo solucionar errores de Reproductor de Windows Media. Explore recursos para obtener ayuda general con Reproductor de Windows Media.

Learn how to use Narrator, a screen-reading app built into Windows, with this complete guide and how-to articles.

Learn how to get started with PowerPoint for the web from Office.com and create presentations online.