invalid login please register problem

[Stan 397]

Hi, I recently bought mx bikes on the mx bikes website not steam and I did enter a license key but when I go on race it comes up with old version please update so I went on the mx bikes website and downloaded mirror 4 now when I go on mx bikes and click on race it comes up with invalid login please register would anyone have a solution for this as I am trying to just play with my friend.
Many thanks
Stan
 

[teeds]

Did you register? https://stats.mx-bikes.com/register.php

[Stan 397]

Thank you teeds ill try that now

[keeganthegoat]

Did you register? https://stats.mx-bikes.com/register.php