Press the Start button on the taskbar, type settings, and then select Settings.; On Windows 10, select Update & Security.On Windows 11, select Windows Update.; On the Windows Update page, select Check for updates to see if any updates are available for your device.; Once the updates have downloaded, select Install now to start the installation.; Following installation, we recommend that you ...

下面是如何使用 VLOOKUP 的示例。 =VLOOKUP(B2,C2:E7,3,TRUE) 在此示例中，B2 是第一个 参数，即函数运行所需的数据元素。VLOOKUP 第一个参数是要查找的值。 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。

使用 Windows 设置应用更改桌面背景和颜色。 在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

了解 Windows 中的恢复选项。 查明如何重置电脑、回退到以前版本的 Windows 或使用介质重新安装 Windows。 注意: 删除所有内容 > 更改设置 提供了两个选项。 打开数据擦除会删除文件并清理驱动器。如果你打算捐赠、回收或出售你的电脑，请使用此选项。

Analyze Data in Excel empowers you to understand your data through high-level visual summaries, trends, and patterns. Simply click a cell in a data range, and then click the Analyze Data button on the Home tab. Analyze Data in Excel will analyze your data, and return interesting visuals about it in a task pane.

了解如何在电脑上更改电源Windows以保留电池、限制通知和后台活动。 选择适合你的电源模式以及你想要在电脑上Windows 11操作。 这样，你可以确定哪些对你很重要 - 是要获得最佳电池使用时间、获得最佳性能还是在二者之间寻求平衡。

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