Adding a user to create a login for the admin backend.
Step 1 – To add a user Goto “user” page in the admin backend menu
Step 2 – Click the plus (+) at the top corner
Step 3 – In the popup window fill in the details and submit
Note – Role Admin is a mandatory role for all users who wants to log in to the admin backend
https://www.youtube.com/watch?v=qhockkUcZsE