Ahh I know what your doing wrong… I think!
OK – When you download your file just open it, don’t extract it. For this example I will use the POSKY 744 Air India…
Now, when it has downloaded follow these steps. Go into My Computer then into the (C: ) drive then Program Files and then Microsoft Games. After you’ve done that go into your main FS2004 folder, it will be called FS9 or FS2004. When you have done that go into your Aircraft folder and then leave that open… Go back to your download and open the file, when you have done that copy the file Opensky_747_400p-_pw_paint_kit into your aircraft folder. Now you should be done so close the files and open MSFS.
Hope that helps. If you need any help send me a PM.
Cheers,
Sam 🙂