Instead of risking your hardware and data, consider these legitimate ways to use CNC simulation software:

While the temptation to search for a is high, the risks far outweigh the benefits. Between the threat of malware and the inaccuracy of modified software, it is always better to use the official free version or explore open-source alternatives.

The developers offer a "Free Petrol" system. By performing simple tasks or waiting for a timer, you can use the full capabilities of the software for free, legally.