How to customize the user's registration field for Joomla 4. Joomla Users field
How to customize the user's registration field for Joomla 4 and how to use users' profiles using custom fields
How to use and customize user's profile in Joomla 4
How to modify users' profile and fields in Joomla 4
How to add new fields for Joomla 4
How to add new users fields in Joomla registration form
How to customize Joomla registration forms