Hello, @WeMee Store,
Yes, you need a plugin to create a form. Once you are done with creating the form you will have a shortcode of that form you can set this form via shortcode on your site.
You can use the “Contact form 7” plugin It is easy and helpful. Below are the documentation links of the “Contact form 7” plugin for a better understanding of how to use it.
https://contactform7.com/getting-started-with-contact-form-7/
https://contactform7.com/docs/
Regards 8Themes Team.