How to Share Your Screen in FaceTime
Tap the share button (the box with the person in front of it). A three-second countdown appears onscreen. At the end of the countdown, screen sharing begins. On an iPad, the video stays on. Swipe up to get to the Home Screen orfast app switcher. Tap the screen sharing icon again to stop sharing. Once on the FaceTime call, tap the share button (the box with the person in front)....