If you own AeroFly RC 8 legitimately, you can get updates and DLC from the official developer (IPACS). If you’re just looking for information about the simulator, I can help with that instead.
It looks like you might be referencing a specific file name for the Aerofly RC 8 File- AeroFly.RC.8.v8.00.55.01.Incl.ALL.DLC.zip...
: It is available on Steam, where you can also find legitimate user reviews. If you own AeroFly RC 8 legitimately, you
When working with zip files from unknown sources, it's essential to exercise caution: including scale models
This means the package contains all "Downloadable Content." In RC 8, this adds up to over 250 aircraft and 50 sceneries , including scale models, jets, gliders, and multicopters.