Enhanced stability when using third-party plugins and effects.

Released in late 2018, version 10.4.5 was primarily a performance and stability update. While it didn't introduce flashy new tools like 10.4 (which brought 360° VR and HDR), it fixed critical bugs that made the software snappier for professional workflows.

A prompt should appear asking if you want to Click Download. A Note on Third-Party DMG Downloads

If the DMG was modified, it may not communicate properly with Apple’s Pro Video Formats. Moving Forward

Searching for "Final Cut Pro X 10.4.5 mac.dmg" on third-party sites carries significant risks, including: