Step three. Then simply click the red circle button to start off your webcam seize. Step two. Click or faucet the Video button from the proper facet of the app's window to get started your webcam recording. Click on the "Webcam" button upcoming to the "Audio" button to proceed. If you want to document the webcam with audio, click on the "Sound" icon at the bottom still left to pick the audio source. Step two.