From the beginning.

Hello guys. I return after almost one year from a ship. I have one Lg G2 D802, 5.0.2 CloudyG2 3.3 and i want to go back to stock and I put one stable MM Rom. The problem is that I completly forgot after all this time what I must to do. If someone have time please post all the necessary steps and files to start from the begin.
Thank you in advance.