How can I set the email I want the forms to be sent to?

An email notification is added to your form as son as it is created, the email notification is sent by default to the email address set up in your account. 

However, please check this guide that will help you to find and change the email address used for your email notifications: How-to-Find-and-Change-the-Email-Address-Used-for-Notification-Email

Hope this helps.