To add a new user with all the admin rights, click on Users and select Admin User which appears on the left side of the screen. Click on Add New button located at the top right of the Admin User page and fill in the details of the user.
Below is the screenshot to guide you:
To restrict/allow system access to a user or admin, click on Permission located at the bottom of the User page and check the boxes accordingly.
To save the changes click on Save & Close option which appears at the bottom of the page.
The below image is just an example of the admin access enjoyed by the admin. As seen below, a user and admin can be given the option to View, Add, Edit and Delete options or any of the below access.
