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.
I recommend checking our tutorial also on -Best-Practices-for-Web-Forms
You can make a question/field a *Required field so that it will be mandatory for the end-user to fill in the information for the specific question.
You can also add the Preview Before Submit widget to allow users to preview first the answers before they will submit the form.
Let us know if you need further assistance.