Where can I get a registration code for Command & Conquer: Red Alert 3?

A registration code for "Command & Conquer: Red Alert 3" ships with a new copy of the game; the only way to lawfully acquire a registration code is to purchase the game. A registration code can either be obtained from a physical copy of the game or by purchasing a digital copy of the game on Steam.

If a user's registration code does not work, he or she can contact Electronic Arts customer service to rectify the problem. Users should note that used copies of "Command & Conquer: Red Alert 3" are unlikely to come with an unused registration code.