To become qualified as a nurse practitioner it takes 4 years schooling.
To become a nurse practitioner the 4 year degree must be in nursing at a minimum and then after earning your BSN, you'll need to complete a master's degree program that trains nurse practitioners.
Then after all that you can become a nurse practitioner.
Just be prepared to study for at least 4 years to become a nurse practitioner but it can be a great career and pretty good pay.
Nurse practitioners will always be in demand for as long as humans are around.