Shortcodes

The plugin screen has a Help option.
It takes you to:

https://{your-site}/wp-admin/admin.php?page=wpmg_mailinggroup_help

You will find:

Quick Start

For a quick start guide in just six steps, please refer to the FAQ here: https://www.wpmailinggroup.com/faq/quick-start-in-6-steps/

Registration Form Shortcode

Insert the following registration form shortcode on a page or widget on your website to allow users to subscribe:
[mailing_group_form]

There is more information on attributes that can be used in the Shortcode here:
https://www.wpmailinggroup.com/faq/shortcodes/

Please check this page:

https://www.wpmailinggroup.com/faq/shortcodes/

+1 to @aetherscythe

@marcusbs thanks for fixing the FAQ. A few minutes back the shortcodes were being interpreted, so we couldn’t see the codes, but only the interpretation by your own site.