BiA: RTH30 cd key problem

[Nowitzkis]

Hi. I want to activate my bai:rth30 copy of game on steam, but it shows that cd key is invalid, but the game is original bought from local games store. Srry for my bad english, and I would be thankfull for help.

[Screecher]

You can't. There's only some games that can be added to Steam from a disc. There's a list on Steam's Support webpage.