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对 Windows 10 使用修复工具 - Microsoft 支持
Windows 10 使用疑难解答帮助你解决电脑问题,而不是使用修复工具。. 运行疑难解答:. 选择“ 开始 > 设置 > 更新 & 安全 > 故障排除 > 其他疑难解答 ”,或选择本主题末尾的“ 查找疑难解答” 快捷方式,然后选择“ 其他疑难解答 ”。. 选择要执行的疑难解答 ...
Where to enter your Office product key - Microsoft Support
Step 1: Start an Office app, like Word, Project, or Visio, depending on your purchase. Step 2: In the Sign in to set up Office window, select I don't want to sign in or create an account (it's a small link at the bottom of the window). Step 3: Enter your Office product key, without hyphens. If you don't have your key, see get your Workplace ...
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office 商业版
Microsoft Office 兼容包 Service Pack 3 安全更新说明:2019 ...
方法 3: Microsoft 下载中心. 可以通过 Microsoft 下载中心获取独立的更新程序包。. 若要安装此更新,请按照下载页面上的安装说明进行操作。. 下载适用于 32 位版本的 Microsoft Office 兼容包 Service Pack 3 的安全更新 KB 4461607.
Start your PC in safe mode in Windows - Microsoft Support
Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC. There are two versions of safe mode: Safe Mode and Safe Mode with Networking. Safe Mode with Networking adds the network drivers and services you'll need to access the internet and other computers on your network.
Get apps from Microsoft Store on your Windows PC
Here's how to download apps and games so you can get up and running right away. Open Microsoft Store. To get a game or app from Microsoft Store: To see more of any category, select Show all at the end of the row. Select the app or game you'd like to download, and then select Get. Sign in with your Microsoft account to finish downloading your ...
Open and run DxDiag.exe - Microsoft Support
Open and run DxDiag.exe. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help. In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results. In the ...
Export Word document as PDF - Microsoft Support
Here's how do it in Word Online. At the top of your screen, select File. In the displayed list of options, select Export. Select the PDF download type that best suits your needs: > Download as PDF ... Export document as a PDF without any comments included. > Download as PDF with Comments ... Export as PDF with all comments included.
适用于: Word 网页版
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
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修复键盘中的触摸板Windows - Microsoft 支持
重新安装触摸板驱动程序. 打开 "设备管理器"。. 右键单击设备的名称,然后选择" 卸载设备"。. 选择 "卸载 ",然后重新启动电脑。. Windows 将会尝试重新安装该驱动程序。. 如果Windows找不到新驱动程序,重新安装驱动程序没有帮助,请联系电脑制造商寻求帮助 ...