Steps to Create New Admin User in Magento 2:
Step 1: Navigate to System under Permissions click on All Users option.
Attachment 15612
Step 2: Now, click on the Add New User button as shown in the screenshot below.
Step 3: Fill out the fields in the Account Information option:
For more detail: https://magecomp.com/blog/create-new...-in-magento-2/