To run iMovie 10.3.3 effectively, your hardware and software should meet these criteria: Requires macOS 11.5.1 Big Sur or later.
New options to sort events in the sidebar by date for easier project management. System Requirements Imovie 10.3.3 Download
Cinematic mode editing requires macOS 12 Monterey . To run iMovie 10
Enhanced performance and efficiency for MacBook Pro models powered by M1 Pro and M1 Max chips. To run iMovie 10.3.3 effectively