FANUC (Fujitsu Automatic Numerical Control) remains one of the dominant forces in global industrial automation. The reliability of FANUC hardware—specifically servo motors and CNC controls—is legendary; however, the efficiency of a CNC machine is contingent upon the software used to drive it. FANUC programming software is unique in that it encompasses a dual-layer architecture: high-level G-code for motion control and a robust PLC (Programmable Logic Controller) environment for machine sequence management. This paper outlines the software tools, methodologies, and best practices required to leverage the full potential of FANUC-controlled machinery.