Wait for a sale. Buy the . For the price of two movie tickets, you will own the entire Civilization VI library—legally, safely, and permanently. You can play multiplayer without fear. You can auto-update without breaking your install. And most importantly, you can enjoy leading your civilization from the Ancient Era to the Future Era without the nagging anxiety that your "unlocker" just installed a backdoor on your system.
The feeling of launching Civ 6 and seeing "Babylon," "Maya," or "Portugal" grayed out is frustrating. But the solution is not a shady DLL from a forum post. The solution is patience.
The risk-reward ratio is abysmal. You gamble with your PC’s security (malware), your Steam account’s standing (bans), and your save files (corruption), all to access content that is routinely sold for 75-90% off.