I m trying to understand KiCad and how to make a better PCB by downloading the ki cad files, i struggle cus theres more LIN (i think thats the name) files then the new ones KiCad_mod , so thats a barrer.

I recomend Snapeda for getting the files for ur pcb

its rare cus i just lerned to use KiCad this month (today is day 7) LOL

this is the files thats necesary: