Just take the downloaded torch MainCreationMethods and throw it into Project Zomboid \ media \ lua \ shared \ NPCs with the replacement of files for any fireman, create a copy of the original file.
Project Zomboid: Cheat (170 Skill Points) Free Download
After the game, all professions will have 170 skill points, the number of points is enough for all skills.
Respectfully Dextior;)