Step by step please because i don't understand the "Read Me" in the AI folders... :(

I think you are in the wrong forum. :) Try the General FS forum. This one is more about development, not user issues. Unless, of course you want to know how to make them. If thats the case then a good place to start is here:http://www.microsoft.com/games/flightsimul...wnloads_sdk.asp