: If you have an old physical retail code, you can still try to activate it on Steam by going to "Add a Game" > "Activate a Product on Steam". Most original codes will grant you the New Steam Version automatically.
(works for some late retail prints):
. You do not need to enter a separate "retail code" to access the standard Opposing Fronts content. Common Issues & Tips activating retail CoH on steam... :: Company of Heroes : If you have an old physical retail