Evaluation Mode: You can download and use the software for free in evaluation mode. This allows you to test the interface and simulate G-code without needing a license immediately.
The search for a is a journey that leads to malware, unstable machines, legal trouble, and a lack of support. The minimal upfront "savings" are completely dwarfed by the potential costs and headaches. A legitimate license is the only safe path forward, offering the full power, reliability, and backing of the official Planet CNC system.
: Connect the controller via USB and open the PlanetCNC TNG software. Navigate to Help > License Management > Activation Code Generator .