The v2 edition brought massive improvements over its predecessor, focusing on system depth and visual fidelity:
Here's the essay:
iFly 747-400 v2 is a high-fidelity "study-level" aircraft add-on designed for flight simulators like FSX and Prepar3D. While its complexity makes it a favorite among enthusiasts, the search for a "free exclusive" download often leads users into risky territory. The Value of the iFly 747-400 v2 Developed by iFly Sim and published by ifly 747400 v2 download free exclusive