How do I add an aircraft to Flight Simulator X that I downloaded off the Internet.?

Most games will have a file folder named something like "plug-ins" or "downloads" for add on content. I would check your game files and see if you can see any folder like that to drop the new aircraft files into.

Hope that helps. :)

Captain Sim actual Air A2A simulations Aerosoft those are all payware agencies, yet they have the countless proper stuff. various the freeware for FSX stinks, yet there are a pair a beauts available for unfastened. sturdy success.