Free will consists in understanding, little by little, the laws of necessity and then applying this knowledge, little by litle, to practice. And with practice it's the same thing. Through practice we derive our knowledge quantitavely

This is not free will. You are operating with a custom definition of free will that only you subscribe to.

Free will is not the ability to independently act as independent agents. Free will is the ability to make your own decisions unimpeded and independent of external factors. Life doesn't have this. Humans are limited to doing things that their brain allows them to by nature of how it's wired. You cannot recite the entire works of Shakespeare off the cuff right now, even if you will yourself to do it so hard right now. That information is simply not in your brain right now.