It functions as a Virtual USB Multikey that tricks the software into thinking a valid hardware license is plugged in.
Understanding the technical process helps explain why this is dangerous. Here is the step-by-step mechanism of how "Multikey-18.1.1-x64" interacts with SolidCAM: Multikey-18.1.1-x64 Solidcam
SolidCAM failing to detect the "key" even after the emulator reports a successful installation. It functions as a Virtual USB Multikey that
: Disabling driver signature enforcement using commands like bcdedit /set testsigning on to allow the unsigned MultiKey driver to run. Manual Setup Multikey-18.1.1-x64 Solidcam
The software allows for flexible post-processing, making it compatible with a wide range of CNC machines from various manufacturers.