Apple typically forces Mac App Store users to update to the latest version of iMovie. However, the latest version often requires the absolute newest macOS operating system. If you are running an older macOS version like Monterey or Big Sur, the Mac App Store might block you from downloading the app.

Support for video shot in Cinematic mode on iPhone 13 or later (requires macOS Monterey). Technical Specifications (Version 10.3.3)

Launch iMovie from your Launchpad or Applications directory. Troubleshooting Common Installation Errors

If you previously owned or downloaded iMovie, you can safely re-download the compatible version for your macOS directly from Apple: Open the . Click on your Profile/Account in the bottom left corner. Locate iMovie under your Purchased list.

OpenCL-capable graphics card or Apple Integrated GPU. How to Install iMovie 10.3.3 from a DMG File