I think free will and determinism both have a place in life. Determinism has to do with more of a global process and tendencies and it’s up to an individual to follow the flow or take an initiative against it. Let’s say you are a gypsy, homosexual or a Jew living in Europe in 1932. Most of these individuals were destined to die under Nazi’s cleansing policies. Most of them thought that “it will pass, things will somehow work themselves out, where will we go, are we going to live our properties, money, our way of life?” Those most were affected by determinism or a general tendency. However, there were people who smelled the rot early and were able to escape, often leaving all their belongings, money or properties. I think this was an act of free will.
Another example. This happens in the late forties if I remember correctly. Vasili Stalin, the son of the Soviet dictator was supposed to follow fly in a plane following the soccer team to another city. The famous psychic Wolf Messing contacted Stalin to postpone the flight. Stalin didn’t postpone the flight but told his son to take a train. The plane crashed and all the passengers died. If Vasili would be on that plane he’d definitely die as well. The deterministic way of events was changed and he remained alive.
Surely, one can argue that those “exceptions” were also pre-determined, but this is where I think the demarcation line passes.