X 10.3.4 [new] Download: Final Cut Pro

This specific update was primarily a stability and refinement release. It followed the massive 10.3 overhaul, which introduced the modern, dark "iMovie-pro" interface and the revolutionary -based mixing. Version 10.3.4 focused on fixing critical bugs, such as stability issues when using keyboard shortcuts to trim in secondary storylines and resolving glitches with certain audio fade handles.

Are you attempting to install this on a specific or OS version ? final cut pro x 10.3.4 download