How to add real managers to clubs and remove urself

Hi,
I am new to football manager and I've seen youtube videos on people using real life managers and different clubs and I was wondering, how do I set that up myself and be able to simulate without me actually being in the game. Please leave commenst down below on how to do this!

hey man when starting the game start unemployed you won't be in any club and you can view the contents of various league