Despite legitimate use cases, the distribution and use of MultiKey generally violate the End User License Agreement (EULA) of the protected software and often contravene anti-circumvention laws such as the DMCA in the United States.

The term "Multikey-18.1.1-x64" refers to a specific version of software designed for 64-bit computer systems. While the exact nature and application of this software can vary, understanding its components and implications is crucial for anyone looking to use, develop, or simply understand more about software and computing.

Physical USB dongles are notoriously difficult to pass through to Virtual Machines (VMs). Multikey simplifies this by allowing the emulator to run directly within the guest OS.

The tool operates by emulating a physical USB port and tricking the protected software into "seeing" a valid hardware license key.