Ensure you have at least 3.5GB of available disk space, as required by the application. Conclusion
: macOS Catalina (10.15.6) or macOS Big Sur (11.0) is highly recommended. imovie 1025 dmg install
If you are trying to install 10.2.5 on an unsupported OS, it may fail. Ensure you are running at least macOS 10.15.6. Summary Table: iMovie 10.2.5 Release Date Early 2021 Best For macOS Catalina, Big Sur Method App Store Purchase History or Verified DMG Ensure you have at least 3
Now, let's move on to the installation process. To install iMovie 10.2.5 using a DMG file, follow these steps: Ensure you are running at least macOS 10
This usually means Gatekeeper has rejected the app. You can temporarily override this by opening Terminal and typing sudo xattr -rd com.apple.quarantine /Applications/iMovie.app (requires administrator password).
Even if the App Store shows the latest iMovie (version 10.4+), Apple allows you to download the last version that works with your OS.
