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:
- 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)
- 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
- Paste the embed code.
- Save your page and you have a sign up form!