I bought my game from Amazon well I try to install it asks me for a product key I typed in the product key that was in the box several times and it will not work I checked again and it was right
Refund it and buy the game on Steam instead. There you will get a good key.
The game is actually on sale, so you are kind of in luck:
was it a new one or a used one? the CD keys can only be used once