To create a simple diffuse substance painter in Substance Painter, follow these steps:
In the Properties - Fill window, look at the Material section.
Choose an export preset. The or 'Base Color' preset is usually sufficient.
If you are working on a simple diffuse style, you often want the deep crevices of your model to be darker.
Check out the tutorials provided by the creators to fully understand all the options the tool offers. These resources cover everything from basic setup to advanced techniques.