How to Switch User on your PS
1.Press the “PlayStation” button on your controller to back to the main menu.
2.Select the “Power” button on the top right corner of the main menu and press “O” button on your controller.
3.Now you are prompted to press 'O' button on your Controller to 'Switch User'.
4.Select 'Create a User' then 'Accept' the PlayStation®4 System Software License Agreement and click 'Next' to the next step.
5.Now you can 'Sign in' with the New PSN Account you buy from us.
6.Please wait a moment after 'Sign in'. Then click 'OK' when the system notices that your PSN Sign-in information has been stored to your PS4.