First, follow the steps on the Mailchimp site to create your form:

Once you have the embed code copied, go to your Streamline site and:

  1. Create a new Page (you can do this from any landing page by clicking Edit content in the upper right, and adding to the teasers below or in the sidebar)

  2. Hover over the Body text area and click on the + sign to the left of the body area to use the Insert Element > HTML feature

  3. Paste the embed code. 
  4. Save your page and you have a sign up form!