Let’s be direct: is an unauthorized copy. Electronic Arts no longer sells the game digitally (it was delisted from Steam and Origin/EA App in 2014 due to GameSpy shutdown and middleware licenses). You cannot buy a legitimate key without paying absurd reseller prices.
Medal of Honor: Airborne reinvents classic MoH gameplay by introducing – you choose where to land on the battlefield. Key features: Medal Of Honor Airborne -BY MODIZZZ- Skidrow Reloaded