Interview with regional director tommorow (management role)

Hello everyone, ive always been employed and most of my advancements have been through people already knowing my worth. This is the first time i am the one seeking employment and needing to prove myself. This is a retail store manager role and im really nervous. Ive been prepping all day and writing notes,experiences and numbers. Any advice from someone whos been in these interviews i want to be as prepared as possible.