Open iMovie, go to the top menu, click iMovie > About iMovie , and confirm it says Version 10.2.5. System Requirements for 10.2.5

At least 3GB of free space for the application itself, plus extra for your project files. Final Thoughts

The iMovie 10.2.5 update is a "bridge" version—solid, reliable, and necessary for those not yet ready to jump into the latest OS-specific versions. By installing this DMG, you ensure that your editing suite stays crash-free, allowing you to focus on storytelling rather than troubleshooting.

Disclaimer: Always ensure you download DMG files from official Apple support pages or trusted sources to avoid malware.

Users noted faster export times, especially when working with HEVC (High Efficiency Video Coding) formats.