How do you import m4v videos into imovie?

To import M4V videos into iMovie, first ensure that the videos are in a compatible format, as iMovie supports M4V. Open iMovie and create a new project or open an existing one. Click on the "Import Media" button, navigate to the location of your M4V files, select them, and then click "Import Selected." The videos will then be added to your iMovie library for editing.