Rec is the simplest and easiest solution to record any screen session from your Mac!
Just open Rec, press Recorder -> Start from the toolbar menu on your top of your screen. Rec will start recording your current screen session. You can stop and pause the recording at any time by pressing the "Stop" option.
Rec uses a high quality encoder to export your video recording in the best quality available in .mov files. Your high quality recordings will be saved automatically under "/Users/[your_username]/Movies/com.papadakis.xrec" folder.