This guide covers what is included in this release, how to find the installer safely, and how to troubleshoot common installation issues. What is iMovie 10.2.5?

Addressed issues where certain iOS clips would not import properly.

Improved background rendering speeds on M1-series Macs.

Fixed bugs related to audio effect rendering. Why Look for a Specific DMG File?

Unzip the file directly into your target Mac's Applications folder. Method 3: Using Apple's Direct Support Downloads

Transfer the resulting ZIP file to your target Mac via AirDrop or an external drive.

To help you get the right setup, could you let me know your and whether you are using an Intel or Apple Silicon Mac?