Launch X-Plane once and then close it to allow the simulator to register the new folder.
Open the scenery_packs.ini file located in the Custom Scenery folder with a text editor. GCTSV2_XP11.rar
Use a tool like 7-Zip or WinRAR to extract the .rar file. Launch X-Plane once and then close it to
Installing custom scenery in X-Plane 11 is generally a "drag and drop" process. GCTSV2_XP11.rar
To get the best visual experience from this scenery, consider these integration steps: X-Plane 11 | New Install | Adding Scenery Part 1
Place the extracted airport folder into your X-Plane 11/Custom Scenery directory. Verify the scenery_packs.ini :