: Move the .pkz file into the appropriate subfolder (e.g., Motocross or Supercross ).
: 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 Download File Underground Mx.pkz
Once you have downloaded the .pkz file, follow these steps to use it in-game: : Move the
: Navigate to your local documents folder for the game: Documents\PiBoSo\MX Bikes\mods\tracks Download File Underground Mx.pkz