Inside the Funnel tab of your funnel, you can design, rename, duplicate, split test, reorder and delete your steps.
To start/continue building out a step, hover over the menu to the right of the desired step and click "Design Step"
To rename a step, hover over the menu to the right of the desired step and click "Rename Step".
To duplicate a step, hover over the menu to the right of the desired step and click "Duplicate Step".
To set up a split test for a step, hover over the menu to the right of the desired step and click "Split Test Step" (coming soon).
To reorder a step, click and drag the 6 dots next to the desired step and move the step to the right spot and release.
To delete a step, hover over the menu to the right of the desired step and click "Delete Step".