This tutorial is only for Mailchimp users, for others (convertkit, jetpack, etc), please refer to their website FAQ to learn how to add the form to your website.
- Install and add the plugin (dashboard > plugins > add new plugin) : MC4WP: Mailchimp for WordPress
- After activating, connect your mailchimp account with your website (go to MC4WP plugin setting : find the menu MC4WP from the dashboard > Mailchimp). Connect using the API taken from your mailchimp.com account.
- After it’s connected, you can embed the form with shortcode or Mailchimp block.