: The retail code is often used interchangeably with the product key but can sometimes refer to a code provided in retail versions of the game, usually found on the back of the game box or within the game packaging. For digital purchases, the product key itself acts as the retail code.
: If the game is already installed on an old PC, you can find the key in the Windows Registry at: HKEY_LOCAL_MACHINE\SOFTWARE\THQ\Company of Heroes (look for the "CoHOFProductKey" entry). How to Activate on Steam : The retail code is often used interchangeably
If you own a and it doesn’t work on Steam, contact Sega support (current publisher). If you don’t have a key, the safest and cheapest option is to buy Company of Heroes Complete Pack on a Steam sale (often ~$10 or less), which includes Opposing Fronts . How to Activate on Steam If you own