Option A
1. Open the "Funnels" tab.
2. Click to edit or add a new funnel.
A preview will be shown to your right
Option B
1. Open the "Funnels" tab.
2. Click on the "eye" icon (preview)
Option C - Cart page case
If you selected cart page funnel - head over to your store, make sure the funnel trigger condition is valid, and click "continue to checkout"
The app isn't working as expected? > let us know.