Using a virtual driver to bypass licensing is a violation of the Mastercam End User License Agreement (EULA) and can lead to significant legal and financial penalties for businesses. The Modern Alternative: Software Licensing
Here's a paper on the Virtual USB MultiKey driver for Mastercam: virtual usb multikey driver for mastercam
: Modern Windows (10/11) blocks MultiKey because its certificate is often invalid or revoked. You may need to run Windows in Test Mode by entering bcdedit -set TESTSIGNING ON in a PowerShell Administrator window. Using a virtual driver to bypass licensing is
The system operates by creating a virtual hardware bridge between the Windows registry and the Mastercam licensing service: Virtual Bus virtual usb multikey driver for mastercam