使用 & 号或 CONCAT 函数，可将多个单元格中的数据合并到一个单元格。 如何在 Excel 中将两个或多个单元格中的文本或数据合并为一个单元格。

更改桌面背景图像. 你可以选择桌面背景并随时更改它。. 选择 “开始 > 设置” > “个性化 > 背景 ”。. 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。. 注意: 如果无法 ...

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

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. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point: Use System Restore

创建适用于 Windows 的安装介质. Windows 10 Windows 8.1 Windows 7. 你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站 ，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本 ...

Find out how to free up space on your device by deleting unnecessary files, uninstalling apps, and moving files to other drives.

Learn how to locate your Microsoft Office product key, which allows you to activate and use your Office products without requiring a Microsoft account.

Erfahren Sie, wie Sie Office 2013 auf Ihrem PC oder Office für Mac 2011 installieren können.

With online threats getting more advanced day by day, it is important to prioritize the safety of your web browsing. Microsoft Edge offers several features and practices that can enhance your online security and protect your personal information. Follow these guidelines to browse the web securely in Microsoft Edge.