In order to have a working landing page, you need to connect it to a domain.
Make sure that before you do this, you've already added a domain to the system, here's how.
Navigate To The Sites Tab
Go To Funnels
This will take you to the main menu where you can see all existing funnels.
Select The Funnel
Click on top of the funnel name you wish to connect the domain to.
Go To Settings
Click on "Settings" at the top menu.
Click On "Domain"
Click on the "Domain" dropdown. And select the domain you've already connected to he system.
Adjust Website Name & Path
Make sure the funnel name and path are accurate to the purpose you've built the funnel for.
Save it!
Click on "Save" to save the changes.
Check Your Landing Page
Click on the "Exit Arrow Icon" icon to check your funnel URL and to go directly to the landing page.