Why do you not want to answer this thread?(Your answer will be sent to Jeanette and Aytekin)
You can either choose a pop up link or a lightbox form. These options are available in the Publish wizard.
Here are 2 helpful guides:How-to-Create-a-Lightbox-FormHow-to-Auto-popup-a-Lightbox-Form
Let us know if you have any questions. Thank you.