What would it take for you to accept ours as a deterministic universe and reject the notion of free will?

Determinism suggests that the laws of physics govern everything from the moment of the big bang to the moment of this writing to the moment of your reading. All behavior, human and non-human alike, an unfolding of reality as defined by the laws of reality itself. All beliefs, including the beliefs in Gods, Free Will, and even the belief that the sun will rise tomorrow, are coerced beliefs, forced into our brains like the Grand Canyon was forced into the North American continent. Without will power. Without choice.

Determinism suggests that we are free only to obey the laws of physics and that “Free Will” is a meme based in mythology.

If you believe in free will now, what would convince you to believe in a Deterministic Universe like this over the more traditional Libertarian (free will) Universe?