通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。. 通过以下方式在设备上下载Microsoft Defender：. 扫描以下 QR 码. 在应用商店中搜索Microsoft Defender. 与设备共享，链接如下： 复制链接. 我们建议在每人至少五台设备上安装Microsoft Defender ...

Excel 函数（按类别列出）. Microsoft 365 专属 Excel Microsoft 365 Mac 版专属 Excel Excel 网页版 更多... 工作表函数按其功能分类。. 单击某个类别可浏览其功能。. 也可以通过按住 Ctrl+F 并键入前几个字母或描述性单词来查找函数。. 要获取有关某个函数的详细信息，请在第 ...

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: 如果无法选择 “Windows 聚焦 ...

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如果你是小型企业所有者. 通过 Microsoft 365 查找构建、运行和发展小型企业所需的信息。. 访问小型企业帮助和学习. 获取 Microsoft Edge 的帮助和支持。. 查找 Microsoft Edge 支持内容、操作方法文章、教程等。.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

Windows 11 Windows 10. 若要打开“开始”菜单（其中包含所有应用、设置和文件），可以执行以下任一操作：. 在任务栏的中心或左端，选择 “开始” 图标。. 注意: 任务栏设置确定任务栏所在的位置。. 按键盘上的 Windows 徽标键 。. 从屏幕的下半部分或左侧向上轻扫 ...

Windows 11 Windows 10. Most of the advanced display settings from previous versions of Windows are now available on the Display settings page. Select Start > Settings > System > Display. If you want to change the size of your text and apps, choose an option from the drop-down menu next to Scale. Learn how to change just your text size in Make ...

Select the name. Type a meaningful name and then press Enter. Everything you do in Excel for the web — naming a file, entering data — is automatically saved to your OneDrive. Do your work. After you name your file, you can enter data and create tables, charts, and formulas. Select the tabs at the top to find the features you want.