What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
JotForm is an online form builder that lets you create and highly customize your forms to your specific needs.
I strongly suggest checking our the form builder and explore how it works, below are the guides to help you get started:
For your specific concern, here's how I did the required yes/no radio button field:
I hope that helps.