Learn how to view or edit passwords saved in Microsoft Edge using the Microsoft password manager.

Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.

Get an error message or error code when making a purchase on Xbox or have a question about using VPN on Xbox? Find out what they mean.

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Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

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如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 Xbox 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。

Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

摘要 当 BitLocker 无法在 Windows 中自动解锁加密驱动器时，需要 BitLocker 恢复密钥。 这是一个 48 位数字，可让你重新获得对驱动器的访问权限。

Check the Xbox services, games, and apps for any service outages.