Inalid Steam code.

[FenrirSnow]

Start playing free trial version, now a i want transfer to Regular Service. I buy game in steam and try use steam code but when I enter it shows that it is invalid code.
What should I do? I bought the game about a week ago....

[Sirmarki]

You are going through the STEAM client, so you will more than likely need to contact them first.

[Alhanelem]

The game has several registration codes. Make sure you're using the correct one in the correct place. Make sure you're not mistaking "1" "l" and "i" etc.