The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

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

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

了解如何註冊您的 Xbox 產品，以便您要求和追蹤維修服務、查看您的保固服務，以及購買延長保修計劃。 還有取消註冊和取消 ...

Download Microsoft Authenticator Microsoft Authenticator is a mobile app that helps you sign in to all your accounts without using a password.

Xbox 已與 NVIDIA GeForce NOW 和 Boosteroid 合作，將第一方遊戲提供給更多玩家。 如果您在 Steam 上擁有受支援的 Xbox 遊戲，並擁有其中一個串流服務的帳戶，您隨時隨地都可以在雲端中玩您的遊戲。 只要確保您將 Steam 帳戶連結至 NVIDIA GeForce NOW 或 Boosteroid 即可。

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

为了帮助你更好地了解我们的流程，我们提供了每种强制措施类型的详细信息以及这些措施对你的 Xbox 档案或设备的影响。

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Learn how to cancel Xbox subscriptions, manage recurring billing, and stop future charges while retaining benefits until the subscription expires.