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。

Hinweis: Der beste und sicherste Weg, um Treiber-Updates in Windows zu erhalten, ist immer über Windows Update.Wenn Sie Probleme mit Windows Update haben, sollten Sie zunächst prüfen, ob einer der Links unter Update Windows Ihnen weiterhelfen kann.

Remark. In the Excel desktop application, to select a cell that contains a hyperlink without jumping to the hyperlink destination, click the cell and hold the mouse button until the pointer becomes a cross , then release the mouse button.In Excel for the web, select a cell by clicking it when the pointer is an arrow; jump to the hyperlink destination by clicking when the pointer is a pointing ...

Find out how to get a DVD player app, add-on, or plug-in, or whether you can upgrade your edition of Windows to add DVD playback.

Connecting to the internet when you’re setting up your Windows 10 or 11 PC ensures you get the latest features and security updates. You’ll need an internet connection to finish setting up a device running Windows 10 Home or Windows 11 Home / Pro.

Dictation lets you use speech-to-text to author content in Microsoft 365 with a microphone and reliable internet connection. It's a quick and easy way to get your thoughts out, create drafts or outlines, and capture notes.

The security info that you replaced will be deleted in 30 days. During that time, we'll send notifications to the phone number or email address that's being removed, in case an attacker is attempting to remove your info.

The GROUPBY function allows you to create a summary of your data via a formula.It supports grouping along one axis and aggregating the associated values. For instance, if you had a table of sales data, you might generate a summary of sales by year.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

You can use data from a Excel worksheet as the basis for a PivotTable or PivotChart. The data should be in list format, with column labels in the first row, which Excel will use for Field Names.Each cell in subsequent rows should contain data appropriate to its column heading, and you shouldn't mix data types in the same column.