For a multi-step checkout form, you have a progress indicator.
In this short tutorial, we'll see how to edit the title of each of your steps.
Step 1: Click 'Edit' button to edit any of your Customizer templates
When you do so, the Customizer window will open up.
Step 2: Click on Checkout Form widget
Then click on 'Form Style'.
Step 3: Set the step titles for your progress bar
Step 4: Click on 'Publish' button to save your changes
This is the final output you'll see on the checkout page.