Using captcha in user registration

-- HikaShop version -- : 5.1.1
-- Joomla version -- : 4.4.9
-- PHP version -- : 8.1
-- Browser(s) name and version -- : chrome

Hi

I'm having problems with a lot of spam registrations on the site and I want the registration form to have a captcha to mitigate spam registration.
The recaptcha plugin is installed on the site and is configured with the appropriate credentials, it is activated in the global configuration recaptcha as the default captcha, in the user options the use of recaptcha is configured, there is no override of the registration form view.
But the captcha is not available on the user registration screen.

What am I missing to check or configure?

Thank you very much!