– if you have a modern Mac (2018 or newer) with macOS 12+. The lack of M1 optimization, missing features like Object Tracking and Scene Removal Mask, and potential security issues make it a poor choice.
: If your current macOS is older than the latest iMovie requirement, a prompt will appear asking if you want to "Download the latest compatible version." Confirm this to receive the version that works with your system (likely 10.3.4 if you are on an older OS). System Requirements
If you are running macOS Catalina or Mojave, your system will likely not accept the , and you will be restricted to iMovie 10.3 or older. You can check your macOS version by clicking the Apple logo in the top left corner and selecting "About This Mac."