The configuration tab is only visible to users with Administrative privileges
The MailChimp module must be enabled to see this menu.
PLEASE NOTE: If you do not completely understand how a setting works, please contact customer support before changing ANY setting. Thank you.
Once in the configuration menu, click Third Party drop down menu.
Click the MailChimp button.
Fill in the MailChimp Key, and Folder provided to you by MailChimp.
Once done, click Save Settings.