Grapher 14 was released with flexible licensing models to suit different needs:
If you genuinely need Grapher 14 for professional publication, the cost of a legitimate license ($200–400) is a fraction of the time you will waste dealing with a cracked version’s crashes, missing features, or security cleanup. Furthermore, supporting Golden Software ensures continued development of the tool you rely on. grapher 14 product key
Open Grapher, go to the licensing menu, and select "Deactivate". Grapher 14 was released with flexible licensing models