If you receive this error, the DMG file you downloaded may be corrupted or not intended for your specific Mac architecture (Intel vs. Apple Silicon). Try re-downloading the file or using the App Store method instead.
Right-click (or Control-click) the iMovie app icon in your Applications folder. Click .
Fixed bugs related to audio effect rendering. Why Look for a Specific DMG File?
To help you get the right setup, could you let me know your and whether you are using an Intel or Apple Silicon Mac?
This is a common security gatekeeper error on macOS. You can usually bypass it by doing the following:
Addressed issues where certain iOS clips would not import properly.
Unzip the file directly into your target Mac's Applications folder. Method 3: Using Apple's Direct Support Downloads
A prompt will appear asking if you are sure. Click again. "Incompatible Archive"
