Hypothetical scenario: free will
In a hypothetical scenario, there's a God. This God chooses for you your desires. He creates others and chooses their desires. It ends up in a fight between desires. God already knows about this and everything has already happened. Your fate can't be changed.
God offers you the free will to act as you wish, according to the desires that you didn't choose, but it did. You are also free to do what you wish as long as the circumstances allow it. You also are free to do an you wish, but your wishes are influenced by others.