cool! you’ve done something above and beyond the normal for most new FCC campers.
Have you used Github before? FCC is an open-source software so if you want to help fix bugs in FCC, you would need to fork from its github repository to begin that process.
But, if you are just here to learn to code from the FCC curriculum, then none of that is needed or required. Simply go to the curriculum page and begin your journey there.