You can create your own registration form with extra fields. You can add unlimited extra fields of selected type like you need. Extended registration form will be responsive and fit for in each device.
Working also for classic (one-time code) customer accounts!
For login as APPROVED customer, you can use this credential:
login: info@singleton-software.com
password: password1234
Go to login page
off sitewide
June sale — 45% off at checkout, applied automatically. Valid for 60 minutes. One per customer.
Offer ends in