Learn how to set up your user account for multifactor authentication with Microsoft 365.

瞭解如何透過瀏覽器、Xbox 主機或 Windows 裝置變更您的 Xbox 玩家代號。

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Choose your alternative verification method, and continue with the two-step verification process. After you're back in your account, you can update your verification methods (if necessary). For more info about add or changing your methods, see the Manage your settings for two-step verification article. Next steps Learn about your security info in the Security info (preview) overview article ...

Learn how to create installation media for installing or reinstalling Windows.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

Meet Microsoft Rewards! Learn all the ways to earn points towards awesome rewards in this quick overview.

如果無法登入您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶，或者您不確定如何登入或登出，這裡提供一些解決方案。 如何登入您的Hotmail 或Outlook.com帳號 要登入 Outlook.com 或 Hotmail，你需要你的Microsoft帳號使用者名稱和密碼。 登入 故障排除：無法登入 Hotmail 或 Outlook.com Microsoft 會始終關注不常見的 ...

Find the information you need to import to or exporting from Outlook, whether you're using Office 365, Outlook 2016, or a Mac.

Learn how to check if your PC is capable of running TPM 2.0 or how to enable TPM 2.0 to upgrade to Windows 11.