A registration form is a list of fields that a user will input data into and submit to a company or individual. This section allows you to add a registration form with the First Name, Last Name, Email and Password fields.
Steps:
In the theme editor (Customize), click Add section
Search Register
Click Save
After the customer fills in the email in the registration form, the customer's email will be saved in Shopify admin > Customers.
You can go to Edit languages to change the content as you want.
How to configure Register section
General option: You can choose the Content align: Default or Center
Button options: If you are looking for an option to configure for the button, this option is here for you. You can change the width, style, size, color and hover button effect for the button.
Show privacy policy (GDPR compliant): tick this option to show the privacy policy text and choose the page for it.