Simply click on the Create New box and choose between making a movie of videos, photos, and music or following a template to create a Hollywood-style movie trailer. The app should open on the Projects List screen, from where you can begin to create your first movie. iMovie only shows you the basic tools you need at this moment, keeping the interface clutter-free. Upon opening on a Mac computer, users are greeted with a simple black interface with menu items running along the top.