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Please advise. Today, I bought Heroes with 2 expansions. When I try to play through LAN, it asks for a network key. I bought the game on gamepitstop.ru. The game came with keys, but they were entered when I launched the game. Basically, I would like to know if this activation key and the network key are the same thing. Or was I scammed, and should they send me another key (for playing online)?