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.
Can you please try to clear your browser's cache and try to get the embed link to your form? This is what you should see when you click on the embed form button.
Let us know if you're still unable to see that window after you cleared your cache.