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

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。

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

Learn how to add all your different accounts to the Microsoft Authenticator app.

Check on your Surface device You can find your device model information using either of these methods: Surface app or System information. Look in the Surface app The easiest way to find which Surface model you have is to use the Surface app. It shows the model information of your Surface device. Open the Surface app In the Surface app, expand Device information and look at the value next to ...

Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

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 ...

了解正在使用的 Surface 型号。在 Surface 设备上检查 可以使用以下任一方法查找设备型号信息：Surface 应用或系统信息。 在 Surface 应用中查找 查找拥有的 Surface 型号的最简单方法是使用 Surface 应用。 它显示 Surface 设备的型号信息。 打开 Surface 应用 在 Surface 应用中，展开“ 设备信息 ”，然后查看 ...

使 Surface 保持最新状态有助于其发挥最佳性能。 除了适用于 Windows 的软件更新外，安装硬件更新也很重要，其中包括驱动程序和固件。 每台 Surface 设备都有资格接收新的驱动程序和固件更新，直到 Surface 设备驱动程序和基于 Windows 的设备固件生命周期 中列出的服务终止日期。 可以使用 Surface 应用 ...