In this article Overview How a Secure Boot certificate servicing works Where to start when troubleshooting Secure-Boot-Update scheduled task Why a scheduled task is used The AvailableUpdates registry bitmask Integration with OEM firmware Common failure scenarios and resolutions Reference and internals AvailableUpdates bits used for certificate servicing Expected progression (AvailableUpdates ...

Find solutions for Xbox account and profile issues, manage settings, and get support for your Xbox experience.

當你嘗試在 Windows 上執行應用程式時，Smart App Control 會檢查我們智慧雲端安全服務是否能對其安全性做出有把握的預測。 如果服務認為應用程式安全，Smart App Control 會允許它執行。 如果該應用程式被認為是惡意或可能不受歡迎，Smart App Control 會封鎖它。 如果安全服務無法對該應用程式做出有把握的 ...

Find out about the current Xbox Software License Agreement.

Microsoft Rewards Streak protection What is Streak protection? Streak protection protects your Microsoft Rewards streak when you’re unable to do the daily tasks, for example, when you’re on vacation. How does Streak protection work? You start with 14 days that can be used to protect your streak. If you miss a daily task while streak protection is active, the system will instead use one of ...

如果你发现 Xbox 游戏和应用在 Windows 电脑上下载缓慢，请检查“传递优化”设置。

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to set up Xbox Cloud Gaming on your Android phone or tablet. Includes steps for installing the Xbox app, using invite links, and streaming games with Game Pass Ultimate.

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.

Learn what to do if you see error 0x803F9006 when you start a game or app on your Xbox console.