如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings. Under Device specifications > System type , see if you're running a 32-bit or 64-bit version of Windows.

Select your version of Microsoft 365 below to learn how to activate Microsoft 365. Activate Microsoft 365 or a non-subscription version of Office. Activate Office that's pre-installed on a new Windows device. Activate an Office purchase or offer that's included on a new Windows device. Activate Office from Microsoft Workplace Discount Program.

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

Select Start , and then select Power > Hibernate. Press the Windows logo key + X on your keyboard, and then select Shut down or sign out > Hibernate. Note: If devices connected to your PC (like monitors, printers, or scanners) aren't working properly after waking up from sleep or hibernate, you might need to disconnect and reconnect your device ...

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

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This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

To the right of it, select Run as administrator > Yes. At the command prompt, run the following commands in the listed order, and then check to see if that fixes your connection problem: Type netsh winsock reset and select Enter. Type netsh int ip reset and select Enter. Type ipconfig /release and select Enter.