Install Funnels app by going to monday.com Apps Marketplace.
The app consists of 2 Board Views. Once installed, you can add these views to your board from the Views dropdown.
Select More views, search for funnels, and select one of the 2 views to add them.
First time use
Configure your new Funnel or Tree view by selecting Status column, and optionally adjusting other View Settings.
To change default order of Statuses, just drag and drop them at the top of the Funnel views.
Hover over any node in the view to see more details.
Click any node to drill down to the level of individual items.