Windows Hello enables a sign in experience using facial or fingerprint recognition, or a PIN. While it offers a convenient and secure way to access your device, you might sometimes encounter sign in issues.

Learn what to do when you receive a NAT type: Unavailable error message on Xbox.

了解 Xbox 線上安全，以便管理您的家庭帳戶。

連絡 Microsoft 支援服務。尋找常見問題的解決方案，或向支援專員尋求協助。

了解如何在智慧型電視、Amazon Fire TV 或 VR 頭戴式裝置上設定 Xbox Cloud Gaming。 包括安裝 Xbox 應用程式、連線控制器以及使用 Game Pass 串流遊戲的步驟。

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

Check Xbox services, games, and apps for service outages or functionality issues.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

You see the following error code and message when you launch a game or an app on your Xbox console: 0x803f8001

Microsoft Defender's web protection helps protect you against malicious sites that are being used for phishing or spreading malware. Available on Windows, Android, and iOS.