Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

In the Contact Group box, type the name for the group.

If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.

Manually clear the Delivery Optimization cache in Windows 10. Delivery Optimization in Windows 10 clears its cache automatically. Files are removed from the cache after a short time period or when their contents take up too much disk space.

What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

Voice Recorder is an app for recording lectures, conversations, and other sounds (previously called Sound Recorder). Hit the big Record button (1), and Add a marker (3) to identify key moments as you record or play (2).Then you can Trim (5), Rename (7), or Share your recordings (4), which are saved in Documents > Sound recordings.Select the Delete icon (6) to delete your recording, or See more ...

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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。

Under Message organization, choose either of the options depending on whether you want to show email grouped by conversation or as individual message.. If you select Show email grouped by conversation, under Arrange the reading pane, select either of the options: Newest on top, Newest on bottom, or Show each message separately.