Superusers have full access to all data with modification rights. Please exercise caution when granting this level of access.
Steps to Add a Superuser Login
Step 1: Navigate to the 'Users' page.
Step 2: Click 'Add User', type in the user id or e-mail address for the person to use when logging in and click 'Create'.
Step 3: Click on the 'Permissions' sub-tab, change access to "Superuser" and click 'Update' to grant Superuser access.
Step 4: Set the password.