how do i edit and update form?

You can edit the received submissions from the submissions view page.

Alternatively, you can place an edit link in the notification emails so that you can edit that submission by using the link. Please follow the steps below :

1. Click on Emails and then notification

2. Place the cursor at the end of the email content and then click on Edit Link from the Form fields to place the edit link

3. Finish the email setup wizard and save the JotForm.

Hope this information helps!