A Microsoft account is a personal account required for access to Microsoft’s products and services.

Find out how the Windows location service works and how to change the location privacy settings.

Learn how to manage background activity for apps to help save battery power in Windows.

Learn how to sign in to Outlook Web App to access your mail, calendar, and contacts information.

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

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

Si tienes problemas de sonido o audio, las siguientes sugerencias pueden ayudarte. Las sugerencias se enumeran en orden, por lo que debes empezar por la primera; comprobar si se soluciona el problema y, de no ser así, continuar por la siguiente.

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

Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.

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