Microsoft account sign-in helper If you can't sign into your Microsoft account, use the sign-in helper to identify the problem. How to use the Microsoft account sign-in helper The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If it detects a problem with your account, we'll tell you what you need to do to ...

Xbox 支援虛擬代理是一款對話式 AI 代理，旨在協助 Xbox 用戶解決 Xbox 平台的支援問題。 客服人員會從客戶那裡接收文字或語音問題，並利用生成式 AI 搜尋可信賴的知識庫 (，例如 Xbox 客服網站的文章，) 找到最佳答案。 如需更多資訊，請參閱： Xbox 支援服務

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

Learn how to prevent unauthorised purchases on your Xbox by creating Microsoft accounts for every person who uses that console.

How to use the COUNTIF function in Excel to count the number of cells that meet values you set.

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。

Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

This non-security update for Windows 11, version 25H2 and 24H2 (KB5083631), includes production-quality improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows ...

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