1) Mouse over the form you want to edit and click "Options", then “Notifications”:
2) On the default tab “Email Notifications”, under the "Email Addresses" section, enter the form admin’s emails then click "Save Changes".
3) Run a test form submission to determine if the admin receives the email.
*Note: When testing is complete, you can send the form link to your users.
Please refer to this short video for a demo: http://screencast.com/t/DAGGsXnEM