Register form is one of the built-in forms and is used to control the user registration on the storefront. You can find and edit the registration form in Site > Forms section in StoreHippo Admin Panel.
User Registration Page
Registration Form has following fields by default:
Adding a custom field
You might want to gather more information from a customer when they create an account in your store. To do so, you can add extra fields to the customer registration form.
To create a new field in the form to collect more information, click on Add field button which allows you to add a custom field.