Get the latest official drivers and firmware updates from Microsoft to ensure your Surface device runs at its peak performance.

所有服務都啟動並執行中 上次更新時間於 1 分鐘前

To see the Turn on Copilot toggle in Outlook on iOS and Android devices, update to the latest version of Outlook available on the respective app store. For Outlook on Mac devices, update to at least Version 16.95.3 from within Outlook.

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Watch our video tutorials on how to use Microsoft 365 Copilot, your AI assistant for work. Learn tips and tricks to boost your productivity with Copilot.

Need help setting up an Xbox profile or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.

使用 Authenticator 作为登录的一种方式 如果已为帐户启用无密码、双重或多重身份验证，请使用以下步骤登录： 转到要登录的网站。 在登录提示符下输入用户名，然后选择“ 下一步 ”。 选择“ 发送通知 ”。

Find out how to resolve your Xbox purchase error when you’re trying to buy something from the Microsoft Store.

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.