freedom

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. I want complete freedom like a bird without any restriction.
  2. I want complete freedom like a bird’s without any restriction.
    Please correct the above.
    Thanks.
2

They are unnatural.

I want to be completely free, without (any) restrictions, just like a bird.
I want a bird’s freedom, without any restrictions.