Printed on the back of the game manual or a separate insert inside the DVD case.

Because the original GameSpy servers were shut down in 2014, the game may "hang" or freeze for up to 20 seconds at startup while searching for a non-existent key validation server.

The is a unique 16-digit activation code required to unlock online features during the installation of the PC version. Often synonymous with the game's standard CD key or product key, this identifier is essential for verifying ownership on platforms like Ubisoft Connect or legacy Steam installations. Locating and Using the Multiplayer ID Key

For most players, the Multiplayer ID Key is found in the following locations depending on the version of the game: