Imovie 10.2.5 Dmg Download Online

This is common with apps not downloaded from the App Store. To bypass:

If you have downloaded iMovie before on any Mac using your Apple ID: imovie 10.2.5 dmg download

If you go to the App Store and see "iMovie requires macOS 11.0 or later," you have two choices: This is common with apps not downloaded from the App Store