Installing the AFL Library follows the standard process for all X-Plane scenery libraries :
Many freeware airport sceneries use the Afl Library to provide custom 3D objects like hangars, trees, or specialized pavement markings. Afl Library X Plane 11
In modern X-Plane 11 setups, users often need a suite of broader libraries to ensure all custom sceneries display correctly. Popular alternatives or companions to the older Afl-files include: Installing the AFL Library follows the standard process