: You can purchase hardware-based licenses on USB sticks (C9900-L100) or EtherCAT terminals (EL6070) .
Using files like beckhoff-key-v2-4.rar from unofficial sources carries significant risks for industrial environments: beckhoff-key-v2-4-rar
: For a complete list of features and documentation on how the licensing system works, visit the Beckhoff Information System within the TwinCAT environment? : You can purchase hardware-based licenses on USB