If you have acquired the Final_Cut_Pro_10.4.5.dmg file, the installation process is straightforward: Double-click the .dmg file to open it.
If you want to test the software, Apple offers a generous 90-day free trial of the latest version on their official website. Conclusion
Users running older versions of macOS (like High Sierra or Mojave) who cannot update to the latest FCP version via the App Store.
Professional editors who found a bug in a newer version and need to revert to a "known good" stable build. System Requirements for FCPX 10.4.5
Professional studios that keep their editing rigs offline for security and need a portable installer.
