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

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

Découvrez comment résoudre les problèmes Bluetooth liés à Windows. Résolvez les problèmes de connexion d’un appareil Bluetooth ou d’un accessoire.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

The new Office Theme is on its way and will soon be available to all Office users. This new look specifies an updated standard color palette and type font that are applied throughout Microsoft Office.

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Microsoft made a commitment to provide 10 years of product support for Windows 7 when it was released on October 22, 2009. This 10-year period has now ended, and Microsoft has discontinued Windows 7 support so that we can focus our investment on supporting newer technologies and great new experiences.

Learn how you can manage cookies and site data you've temporarily allowed in Microsoft Edge.

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学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。