1. Log into your Mailchimp account.
2. Click on your name. Go to Account Settings.
3. Under Extras, click on Integrations tab.
4. Select Facebook and login. Allow all of the permissions. You will be redirected to your Mailchimp account; The Facebook logo should now be colored.
5. . Select the appropriate Page to Use and the List. Select theme, and a Tab Label
6. Click on: “Preview on Facebook Page” to see what it would look like.