: Older physical discs install a "Legacy Edition" which lacks modern multiplayer support. Users are advised to enter their retail key directly into Steam to download the updated version instead. Comparison Table: Retail vs. Digital Key Retail Code (DVD/Box) Product Key (Digital) Physical manual/box Email/Digital receipt Steam Support Yes (via "Activate a Product") Yes (Native Steam activation) Multiplayer Only via Steam activation Full Steamworks support Proof of Ownership Photo of physical key Digital receipt/Order history Opposing Fronts campaigns/factions Opposing Fronts campaigns/factions Activation Process for New Users
Retail codes are tied to physical copies, which collectors often prefer for display or archival purposes. : Older physical discs install a "Legacy Edition"
(CoH: OF) serve the same purpose: unlocking the expansion's content on the Steam platform Digital Key Retail Code (DVD/Box) Product Key (Digital)
: 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. : Older physical discs install a "Legacy Edition"
