How long does it take usually to reach french B2 level from a0. (If take intensive course in paris)?

I want to study film (Ma) in France. but Im actually a true beginner. My question is : If I take an intensive course in Paris. How long does it take

I want to study film (Ma) in France. but I'm actually a true beginner. My question is : If I take an intensive course in Paris. How long does it take usually to reach B2 level and get ready for university?

or:I want to study film (Ma) in France. but I'm actually a true beginner. My question is : If I take an intensive course in Paris. How long does it take usually to reach B2 level and get ready for university?

or:Two years minimum.

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