How can i unlock a full game?

I have signed up to the server. How can i pay now, to unlock the game (desktop PC Saboteur!)?

Thank you, Jan

I registered under another nick a payed.
How can i get the full game dowload?

Your page says: "To unlock Saboteur! you will need to Sign Up to the Saboteur Server. This will give you access to the Downloaded, Online, AND Mobile version. If you don't have a login Username and Password, visit the Sign Up page. "

This makes me a bit confused ...