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

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 more about the privacy settings for speech, voice activation, inking, and typing in Windows.

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

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Learn how to unfreeze your OneDrive account if it has been inactive over 12 months.

How to improve gaming on your Windows 11 PC by making use of the optimization for windowed games settings.

New to Xbox gaming on PC? Here's how to get started. Find out how to play with cloud gaming on devices you already have

Create a channel in Microsoft Teams by selecting Create channel from the menu next to the channel name.

Windows Hello. Windows Hello 可使你通过你的面部、虹膜、指纹或 PIN 登录到你的设备、应用、在线服务和网络。 即使你的 Windows 设备可以使用 Windows Hello 生物识别，也不必这么做。