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So if this metaphysical 'force' is deciding your actions, that still is not free will. You can posit anything as the ultimate cause of your activity but that isn't free will, it's just a higher-level cause. Either things are ultimately caused (at whatever level, metaphysical or not) or they're just acausally random or some combination. Pushing free will into the realm of souls and God doesn't help.

However, your point about unpredictability is right. There are some processes that are fundamentally unpredictable, but this unpredictability can and does occur in a completely deterministic setting.

A completely closed deterministic system will have processes that are unpredictable to agents acting within the closed system, this is the nature of computational irreducibility as elaborated by Stephen Wolfram and more recently Tim Palmer.

Personally, I certainly hope we live in a deterministic universe because a fundamentally random or a-causal universe would be nihilistic to me. If things just happened for no reason then that seems far more distressing than the universe following (possibly a few elegant) well-posed and deterministic rules, even if some aspects of its future evolution are unpredictable due to computational irreducibility.