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 am not sure if I have understood your question. Do you want to sell downloadable product in your form where if someone makes a purchase you want to send them a download link?
If that is correct, you can take advantage of our conditions feature and auto responder feature to achieve your requirement.
Here are the steps you should follow:
1. Load your form in editor.
2. Add a payment question in your form to sell virtual products download.
3. Create an auto responder alert for each digital file you are selling. In this notification alert you should add the corresponding download link in compose email section. This guide should help you add notification alert in your form: http://www.jotform.com/help/26-Creating-a-Form-Autoresponder
4. You can use conditions feature to send emails with download links based on the products your user have selected. This guide should help you: http://www.jotform.com/help/167-How-to-send-to-a-specific-email-address-based-on-a-selection
Please check this demo form: http://form.jotform.co/form/33101891244851
In the above demo form, you can select your products and a download link will be sent to the email address you provide in form.
If this form looks good to you feel free to clone it in your own account and check the auto responder and the conditions I have added. Here is a guide which should help you in form cloning: http://www.jotform.com/help/42-How-to-clone-an-existing-form-from-a-URL
Do get back to us if you meant to ask something else.