The Fore Documentation helps to guide you on how to use the simulation program, inclusive of world generation and scenario simulation.
You may use it as a reference, or simply read it from the start to the end.
If this is the first time you are using the simulation program, take a look at the introductory tutorials at Tutorials Page, and see the Setting Up Instructions.
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Unity Documention or Unity Forums - here you can refer to usages or search answers related to the platform.
PolarithAI Documentation - how to use and parameters included in the actual simulation.
ProBuilder Documentation - guide on how to use ProBuilder and interesting features.
EasyRoads Documentation - generation of roads around the model, and making them realistic.
Tutorials - step by step video and written guides to using the simulation engine.
Is a feature not working as you expect it to? It might be an existing Known Issue. Please check using the Issue Tracker on GitHub.