https://www.screencastify.com/
https://www.screencastify.com/course/master-the-screencast/lessons
Millions of people use Screencastify to record, edit, and share videos. Install our extension and see what the hype's about
Capture your tab, whole screen, or webcam only
Embed your webcam anywhere in your recording
Narrate with your microphone
Record offline (no internet required!)