"My claim is free will can't be proved or disproved absolutely."
That claim is false because if free will was a property of the average human there would be no doubt of it's existence and the human world would be a very different place.
Free will is not just making decisions but having the force to carry them out without deflection.
A sensible man understanding his lack of genuine free will and the weakness of even that ordinary will he has, will find conditions and impulses in both himself and the outside world that might tip the result in the direction desired.
In a similar way that a sailor uses skill, experience and knowledge as well as natural laws to head in a particular direction.
But instead of wasting your time trying to find "studies" to support your silly game of GUF, just watch your own actions for a week and see if you can honestly see the various impulses at play that results in an action.
And note whether you can be impartial towards them.
