License Key Sid — Meier's Civilization
The first Civilization game used a manual entry system, where players would enter a series of codes and registration numbers to unlock the game. As the series grew, so did the complexity of the copy protection systems. Civilization II (1996) used a combination of manual entry and a physical dongle, which was a small device that plugged into the player's computer.
Where can I find my product key to activate my ... - Epic Games license key sid meier's civilization
You can find license keys for various Civilization titles across several types of digital storefronts: The first Civilization game used a manual entry