Click the iMovie icon to open the app on your Mac or iPad.
Click “Create New”> “Movie” to start a new project.
Click the import arrow or drag clips into the media library. Then drag them to the timeline.
Click a clip in the timeline. Use the yellow handles to trim. Use ⌘B to split.
Click the “Audio” tab, pick background music, and drag it under the video in the timeline.
Click “Titles” tab, drag a title style into the timeline, then edit the text.
Click the “Transitions” tab and drag effects between clips (like fade or slide).
Click the play button to preview. Cut or fix anything you missed.
Click “Share”> “File” to export. Choose 1080p and save to your desktop.