For macOS users, the official App Store page shows that iMovie has a file size of and is listed as free . For iPhone or iPad users, you can find it in the iOS App Store.
Smoother playback and scrubbing when handling 4K videos shot at 60 frames per second (fps). Imovie 10.3.3 Download
Pause the download in the App Store, log out of your Apple ID, restart your Mac, log back in, and resume the download. For macOS users, the official App Store page
: Your current operating system is too old for version 10.3.3. For macOS users