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've now updated the guide to include screenshots for our V4 Form Builder.
Complete guide: Smart-Forms-Using-Conditional-Logic
Basically, the usual icons/toolbars available in V3 were now consolidated into the SETTINGS menu at the top in V4.
And if you already have some existing Conditions in place, then just hit the PLUS (+) icon to add a new one.