A: No. That game uses a different, more robust server-side license model.
Using unauthorized software to unlock paid content is a violation of the End User License Agreement (EULA). The Hunter Call Of The Wild Dlc Unlocker
These tools are specifically designed to hook into Steam's API to unlock content. theHunter: Call of the Wild DLC Unlocker - GitHub The Hunter Call Of The Wild Dlc Unlocker