Step 01: Go to the “Admin” module and select the "Manage Settings" from the drop-down list.
Step 02: In this “Admin” tab, click the "Manage Administrative Users" option.
Step 03: From here click the "Add New User" button.
Step 04: Enter the “User Name”, “Password”, and select the “User Rights” for that User from the drop-down.
Step 05: Finally click this icon to save the new user. Once saved successful alert appears.