Double-click the iMovie_1025.dmg file. A virtual disk window will mount on your desktop and open automatically.

iMovie 10.2.5 was released by Apple in 2019. It introduced:

Right-click the mounted iMovie disk icon on your desktop screen. Select .

Creating a portable installer for machines without internet access. Step 1: Finding and Downloading the iMovie 10.2.5 DMG

Installing applications outside the App Store frequently triggers macOS security infrastructure protocols. Use these proven methods to bypass common errors.

If you cannot download it from the App Store, you must locate a DMG file that originated directly from Apple's servers ( ://apple.com ). Steps to Install from a DMG:

iMovie remains one of the most accessible and powerful video editing tools for macOS users. While Apple prefers users to download software through the Mac App Store, there are specific scenarios where installing a particular version, like , via a .dmg file is necessary. This is often required for older macOS compatibility, specific project requirements, or when a clean installation is needed without App Store interference.

Double-click the .pkg file inside the mounted image.

If you encounter problems installing or using iMovie 10.2.5, try these solutions:

This version works well on and macOS 10.15 (Catalina) .

It sounds like you're looking for a review of and potentially trying to find a DMG installer for it. The "iMovie 10.2.5 DMG" Perspective

By following this guide, you can breathe new life into an older Mac, edit 1080p video smoothly, and avoid the frustration of “incompatible” errors. Whether you are a nostalgic editor or a practical technician, the iMovie 10.2.5 DMG is a tool worth keeping in your macOS toolkit.

If asked, click "Agree" to the software license agreement.

Clear out older/conflicting iMovie app duplicates from the Applications folder.