Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.

Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.

If you see a Let's get started screen with options to try, buy, or activate Office, this means that Office is installed on your new PC as a 1-month trial of Microsoft 365 Family. You won't receive a product key from your PC manufacturer unless you paid for an Office product key card. Instead, you can start a trial of Microsoft 365 Family, or buy Office.

Learn how to view your PC information on Windows with Microsoft Support's step-by-step guide.

If you can't sign in. To protect your account, the Outlook.com team won't be able to help if you're having problems signing in. Use the Microsoft account sign-in helper to get back into your account. Get help signing in. If you can sign in. To see self-help answers, or to get support via email, Select Help from the top menu then Help.

Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

Installation method. Estimated amount of free disk space needed. Windows update. x86-based (32-bit): 750 MB. x64-based (64-bit): 1050 MB. Downloading SP1 from the Microsoft website

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通过使用一组有限的文件和驱动程序，安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题，你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。

如果有一个工作表，其中列包含数据，需要旋转才能按行重新排列它，请使用 “转置” 功能。 使用它，可以快速将数据从列 ...