Click on the 'Administration' menu.
Click on the 'Users' tab.
Click on the 'Controllers' tab.
Then, click on the 'Add New' button.
And enter the details on the below page and select the 'Is Admin' option and click on the 'Save' button.
You can able to see the below-highlighted message once it has been saved successfully.
Click on the 'edit' symbol to the right side of the controller which has been saved successfully.
Then, click on the '+' symbol to create a new login.
Hence, the new login of the controller will be created with the message as shown below: