The Libet Free Will experiments kinda demonstrated that there isn't any free will, kinda because they also demonstrated that we can veto this predetermined decision that seemingly seem like our choice, which in turn I think demonstrates that free will exists, this veto process has always been the noodle of the situation as it's completely unpredictable (thus far).
This is a question for the ages, for sure... You think you have the answer, then there's that noodle... :))