: Navigate to your local documents folder for the game: Documents\PiBoSo\MX Bikes\mods\tracks
: The track should now appear in your in-game track selection list. Download File Underground Mx.pkz
: If you receive an error stating the file is "damaged" when trying to open it with WinRAR or 7-Zip, this is normal. .pkz files are encrypted game archives and are intended to be placed directly into the mods folder without being extracted. Issue Installing Tracks - MX Bikes Official Forum : Navigate to your local documents folder for
: Move the .pkz file into the appropriate subfolder (e.g., Motocross or Supercross ). Issue Installing Tracks - MX Bikes Official Forum
: The primary site for game modifications. You can search for "Underground MX" directly on MXB-Mods.com .
: The original release thread for this track is hosted on the MX Bikes Forum , where the creator often posts direct download links (such as MEGA or Mediafire). How to Install the .pkz File
Once you have downloaded the .pkz file, follow these steps to use it in-game: