How to play multiplayer

[7VeN]

hello i can't play multiplayer 'invalid login please registrer what i need to do ?

[PiBoSo]

The license key must be registered at this link: http://stats.mx-bikes.com/register.php

Please make sure the nickname is correctly set in MX Bikes -> Profiles -> Nickname

[baby23]

why wont it let me play multiplayer