I bought mx bikes on steam and played it for a bit, then I went to try and add a track to the game but I don't have the piboso folder in order to do so.
You'll find the document here:
http://docs.piboso.com/wiki/index.php?title=Main_Page
you have to start the game at least once for the PiBoSo folder to appear, if thats what you mean
Where on the website do I find the piboso folder
Also I have ran the game before
My bad, the website is for modding stuff..
You should find the mod folders at the default path
C:\Users\*YOURUSERNAME*\Documents\PiBoSo\MX Bikes\mods\tracks