If you are using the .zip file on a PC, extract the contents to a folder. You can add community-created custom airports by placing their .txt files into the locations folder within the game directory. Endless ATC on Steam
To create content around the file, it is important to first understand its context as a realistic air traffic control simulation game. Version 3.8 is an older iteration of this popular simulator, which has since progressed to version 5.8. File: Endless.ATC.v3.8.zip ...
: Use the mouse scroll wheel while hovering over a plane. Change Speed : Right-click while using the scroll wheel. If you are using the
: Middle-click to hand off a plane to the tower once it is established on final approach. Included Airports Version 3
: A minimalist display modeled after real-world TRACON radar screens.
: Options to adjust traffic flow, weather conditions, and altitude restrictions.
: Click both left and right mouse buttons simultaneously to clear a plane for the Instrument Landing System (ILS).