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.
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I also recommend creating an account if you haven't yet. You can use this link to signup using your email account.
After you have created an account, you can refer to this user guide on how to add your form to your facebook pages.
Let us know if you need further assistance.