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Open the Camera in Windows - Microsoft Support
Windows 11 Windows 10. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened. Open Camera.
Turn on device encryption - Microsoft Support
In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.
Télécharger et installer ou réinstaller Office 2019, Office 2016 ou ...
Choisissez la langue et la version de bit que vous souhaitez, puis sélectionnez Install. Vous êtes maintenant prêt à installer Microsoft 365. Sélectionnez l’onglet ci-dessous correspondant à la version que vous essayez d’installer. Office 2019 ou 2016 pour PC Office 2016 pour Mac Office 2013 pour PC.
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Send and receive text messages from your PC - Microsoft Support
Sending a message. If you haven't already set up messages, do the following: On your PC, in the Phone Link, select Messages. To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to. A new message thread opens for you to begin with.
How to set up and test microphones in Windows - Microsoft Support
Select Start > Settings > System > Sound. In Input, select the microphone that you want to test. In Input settings, look at Input volume while speaking into the microphone. If the bar moves while you speak, your microphone is working properly. If don't see the bar moving, go to Test your microphone and select Start test.
Media Feature Pack for Windows 10/11 N (September 2022)
Here’s how to install the Media Feature Pack: On Windows 10 N: Select the Start button, then select Settings > Apps > Apps and Features > Optional features > Add a feature. Find the Media Feature Pack in the list of available optional features. On Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.
Treiber manuell in Windows aktualisieren - Microsoft-Support
Geben Sie im Suchfeld auf der Taskleiste Geräte-Manager ein, und wählen Sie dann Geräte-Manager aus. Wählen Sie eine Kategorie, um Gerätenamen anzuzeigen, und klicken Sie dann mit der rechten Maustaste auf das Gerät, das Sie aktualisieren möchten (oder drücken und halten sie es). Wählen Sie Automatisch nach aktueller Treibersoftware ...
Manage app permissions for your camera in Windows
To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.
COUNT function - Microsoft Support
The COUNT function counts the number of cells that contain numbers, and counts numbers within the list of arguments. Use the COUNT function to get the number of entries in a number field that is in a range or array of numbers. For example, you can enter the following formula to count the numbers in the range A1:A20: =COUNT(A1:A20).In this example, if five of the cells in the range contain ...
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
Windows 11 - Microsoft
安装 Windows 11 在针对你的特定电脑测试和验证 Windows 11 升级后,Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪,请转到“开始” “设置” >“更新和安全性” >“Windows 更新”,然后选择“检查更新”。 如果升级适用于你的设备,并且想要继续,请下载并安装它。