Click on "Add Step"
Select "Inline Step"
You are in Capture mode now, this mode enables you to select an element on this page
Select an Element
After selecting element you will see this step creator panel
Selected element comes up with step title popup
Scroll down to "Rules Engine" section
From here you can select various kinds of 'Conditions' as per your needs
Select an 'Operator' accordingly
Value will auto-populate or you can edit it manually