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Installing Microsoft Defender - Microsoft Support
Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...
适用于: Android 上的 Microsoft Defender, iOS 上的 Microsoft Defender, Mac 上的 Microsoft Defender, Windows 上的 Microsoft Defender
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
重新安装 Windows - Microsoft 支持
使用安装介质重新安装Windows 11. 将创建的安装媒体连接到电脑,然后重新安装Windows 11。. 打开“ 文件资源管理器 ” ,然后选择安装介质所在的驱动器。. 在驱动器的根目录中,双击 setup.exe,然后在系统询问你是否允许应用对你的设备进行更改时选择“ 是 ...
安装 Project - Microsoft 支持
找到你要安装的 Project 版本并选择 安装 。. 提示: 若要安装其他语言的 Project 或安装 64 位 版本,请选择 其他选项 链接。. 选择所需语言和位版本,然后选择“ 安装 ”。. Project Online (高级版或专业版) 订阅版本. 从 Microsoft 365 主页选择“ 安装 Office 应用 ...
适用于: Project Online 桌面客户端, Project 专业版 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project 专业版 2016, Project Standard 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Office.com, Project for Office 365
激活 Windows - Microsoft 支持
使用产品密钥激活 Windows. 产品密钥是由 25 个字符组成的代码,如下所示:. 产品密钥:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安装期间,系统会提示你输入产品密钥。. 或者,安装后,若要输入产品密钥,请选择“ 开始 ”按钮,然后选择 “设置 > 系统 > 激活 > 更新产品密钥 ...
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 ...
AND 和 OR 函数最多可支持 255 个单独条件,但并不建议使用多个条件,因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式:. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0,并且 B2 (75 ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Sign in to SharePoint - Microsoft Support
Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near ...
适用于: Microsoft 365 中的 SharePoint
Pair a Bluetooth device in Windows - Microsoft Support
Here's how: In Settings: Select Start > Settings > Bluetooth & devices , and then turn on Bluetooth . In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar. Select Bluetooth to turn it on.
Update Windows - Microsoft Support
Update Windows. In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update . Here's some other info you might be looking for:
更新到新Microsoft Edge - Microsoft 支持
Microsoft Edge使用Chromium在线提供世界级的兼容性和性能。. Microsoft Edge也是Windows 10 上性能最好的浏览器,具有启动提升和睡眠选项卡。. 启动提升通过在后台运行一组核心Microsoft Edge进程来更快地启动Microsoft Edge,在打开Microsoft Edge浏览器窗口时无需添加其他资源 ...