Wait until the countdown for the recording to begin. Learn more about macOS Catalina permissions. If you're using macOS Catalina, you may need to set up screen recording permissions in System Preferences. To include audio from your computer in the recording, select the checkbox Share audio. Select which content from your screen you wish to share-your entire screen, an application window, or browser tab-then click Share. You can also turn off your camera and microphone if you don't wish to include them in your recording. If you're using a USB camera or microphone, make sure it's plugged in and select it from the menu. Select or to set up your camera and microphone. To enable them, click Lock icon in your browser's address bar and select Allow next to the appropriate device. If you select Block, your camera and microphone will be disabled. When prompted by your browser, select Allow Microsoft Stream to use your camera and microphone. Select Create > Record screen in Microsoft Stream. Learn about supported browsers and limitations.
To record your screen, you must use the latest Microsoft Edge or Google Chrome on Windows 10 or macOS.