JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
You have to click on "Submit" button in order to submit a form. I cloned your form for this particular thread for testing purposes. Please review the following screenshot on How you can submit a form.
Hope this information helps. Do get back to us, if you need further assistance, we would glad to help you.