If you are using the standard version (often found on Steam), the process is automated:
For those looking to create or deeply customize their experience, the Spintires: MudRunner Modding Guide provides a technical roadmap: spintires-installment-tutorials
: Always test your truck in the Editor’s staging area before moving it into the live game folder to prevent corrupted save files. 4. Essential Troubleshooting If you are using the standard version (often
: Available for free on Steam under the "Tools" category. spintires-installment-tutorials