Files with "F4CG" in the name are often shared within private flight groups or specialized forums like FlightSim.to or AVSIM.
A PMDG Operations Center installation file used to apply the livery to the aircraft. ReaCo7.777-F4CG.zip
Instructions for installation and credits to the original artists. Files with "F4CG" in the name are often
Specialized DDS image files that define the aircraft's exterior appearance. ReaCo7.777-F4CG.zip