All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN and to take that experience with you on every device, including the MSN website and the MSN apps.

如果最近安装了 Windows 更新并且遇到问题，下面介绍如何卸载更新以尝试解决问题： 选择“开始” 按钮，然后选择“设置 >更新&安全 > Windows 更新> 查看更新历史记录 >卸载更新。 查看更新历史记录设置

默认体验是文件和数据将随新的安装一起转移。 但是，我们始终建议在安装新 Windows 版本之前备份文件。 如果已将文件同步到 OneDrive，可能不需要执行任何其他操作来创建备份。

Use the People app to see all your contacts in one place, listed alphabetically. To open the app, select the Start button, and then select People.Enter your account info if you’re asked to sign in.

In Microsoft Teams (free), you can use keyboard shortcuts to send a wide range of emojs. You can either find the emojis in the reaction picker or type the shortcuts below into a message to make the emoji appear when you send your message.

You can easily insert a check mark (also known as a "tick mark") in Word, Outlook, Excel, or PowerPoint. These marks are static symbols. If you're looking for an interactive check box that you can click to check or uncheck, see: Add a check box or option button (Excel) or Make a checklist in Word. In your file, place the cursor where you want to insert the symbol.

注意: 某些相机将不会显示在“相机设置”页中。其中包括用于 Windows Hello 人脸身份验证的红外线 (IR) 摄像头、使用 DirectShow 技术（如 DSLR 或运动相机制造商提供的便于将其设备用作网络摄像头的许多应用）的相机，以及不由 Windows 管理的专有相机，例如工业相机和许多网络摄像头。

For Wi-Fi connection. Select Start > Settings > Network & internet > Wi-Fi and then select the Wi-Fi network you're connected to.

groupby 函数允许通过公式创建数据摘要。它支持沿一个轴进行分组并聚合关联的值。 例如，如果你有一个销售数据表，则可以按年份生成销售摘要。