For the Epic Games Store, these tools usually target the platform's Application Programming Interface (API). When Civilization VI launches, it queries the Epic Games client to verify which DLCs are tied to the user's account. An unlocker intercepts this request and forces a positive response, enabling access to the game files for expansions that were never officially purchased. The Danger of Searching for "DLC Unlocker Links"
the different DLC packs so you know which ones are worth buying.
The tools usually replace or alter the platform’s Dynamic Link Library ( .dll ) files.