Installation typically involves manually placing the extracted files into your simulator's directory:
Contains light effect files (textures, .fx files) designed to improve aircraft lighting or environment reflections (AERO/Atmospheric effects). Download File LLFx._AERO.rar
Move files from the extracted folder into the simulator's Effects/Texture subfolder. Download File LLFx._AERO.rar
Move files from the extracted folder into the simulator's Effects folder. Download File LLFx._AERO.rar