How to Become a Nurse: There are three ways to qualify as a Registered Nurse and apply for entry level nursing positions. They are as follows: 1. Completing a Bachelor’s Degree in Nursing (BSN), 2.ow to Become a Nurse: There are three ways to qualify as a Registered Nurse and apply for entry level nursing positions. They are as follows: 1. Completing a Bachelor’s Degree in Nursing (BSN), 2.