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Sum values based on one or more conditions by using the SUMIFS function in a formula.

了解如何安装 Windows 11，包括在“设置”中访问 Windows 更新页的建议选项。

使用 Windows 设置应用更改桌面背景和颜色。

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.

Get the steps for how to transfer photos and videos from your iPhone to your PC.

Get tips for how to set up and test microphones in Windows.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Change your screen saver settings. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list.