تحديث Windows - دعم Microsoft
تحديث Windows. في نظام التشغيل Windows 11، يمكنك أن تقرر متى وكيف تحصل على التحديثات الأخيرة لكي يستمر عمل جهازك بطريقة سلسة وآمنة. لإدارة خياراتك والاطلاع على التحديثات المتوفرة، حدد التحقق من وجود ...
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.
COUNTIFS function - Microsoft Support
COUNTIFS (criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments: criteria_range1 Required. The first range in which to evaluate the associated criteria. criteria1 Required. The criteria in the form of a number, expression, cell reference, or text that define which cells will be ...
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 video training - Microsoft Support
Templates. A list of Excel training, from entry level to advanced skills, plus templates and other resources.
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 2016
Windows 11 をインストールする方法 - Microsoft サポート
Windows 11 インストール メディアの作成. Windows 11 ソフトウェアのダウンロード ページ で、 今すぐツールを作成 を選択してから指示に従って Windows 11 をインストールします。. 警告: Windows 11 の最小システム要件 を満たしていないデバイスに Windows 11 を ...
Turn Microsoft Defender Firewall on or off - Microsoft Support
Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.
Office Help & Training
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Connect a wireless display to your Windows PC - Microsoft Support
Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on. On the right side of the taskbar, select the Network icon > Cast, then select your display or wireless adapter. Follow any additional instructions on the screen.
向 SharePoint Online 网站添加可访问的内容和链接 ...
本主题内容 添加文本并设置文本格式 添加标题以使你的内容易于浏览 添加表格，并使其可以访问 插入可访问的超链接 添加文本和设置文本格式 Microsoft 365 中的 SharePoint 网站已包含一些基本元素，如“搜索”栏和“文档”区域。
适用于:
SharePoint Server 2016, Microsoft 365 中的 SharePoint, Office 商业版
Use the On-Screen Keyboard (OSK) to type - Microsoft Support
To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it. Note: To open the OSK from the sign-in screen, select ...