Technically, RealFlight G5.5 is "legacy software." The original developer, Knife Edge Software, and the current publisher, Horizon Hobby, have moved on to newer versions like .
Legal users get access to the "Swap Pages," where thousands of community-made aircraft are available for free. How to Get RealFlight for Free (Legally) realflight g55 free download
There are many benefits to using RealFlight G55, including: Technically, RealFlight G5
RealFlight is developed by Horizon Hobby and Knife Edge Software. It is a premium, commercial product. The software includes: Knife Edge Software