🇨🇦MacBook locked, how to remove the lock on a MacBook Pro 15" year 2017 to re-install the MacOS.

🇨🇦This client bought a MacBook Pro that was off lease from an auction and to his surprise he could do nothing with it as it was locked! Can a lock be remove and prior to what year the MacBook must be! If you have a MacBook issue and are located in Canada visit: https://undoit.ca