Purpose of the guide
It tells users how to highlight (full screen) a video and remove it during a video call.
Highlight a video
It is possible to highlight a video by bringing it to full screen, to do this simply press the right button of the mouse on the desired video and select the item “Lock on top” .
This function will enlarge the selected video to full screen.
Remove the highlighted video
To return to the normal view, simply press the right mouse button again and select the "Unlock" item
You can also search for the stylus lower left.