When properly installed, the driver creates a virtual device that appears in Windows Device Manager under “System devices” as “Virtual USB Multikey.” This virtual device tricks Mastercam into believing that a legitimate hardware license is present, allowing the software to run without requiring a physical USB key.
For current Mastercam users, the best path forward is to contact an authorized reseller and ask to convert your physical license to a soft license. The cost is often minimal or free within the maintenance period.
Manually selects the directory containing the MultiKey driver files ( multikey.inf and multikey.sys ).
Because these drivers operate at (Kernel level), they have more control over your PC than any antivirus or user account.