iMovie 10.3.3 loves:
: If you previously "purchased" (downloaded) iMovie, go to the App Store > Account > Purchases . Clicking the download icon there often prompts you to download the "last compatible version" for your specific OS.
You might ask: Why not just download the newest iMovie from the App Store? The answer lies in compatibility and resource management.
before that shift. It strikes a perfect balance between modern features (like 4K support and better color grading tools) and the older, optimized engine that didn't require an M1/M2 chip to run smoothly.