How to make a multi-page section on a webpage

I want to make a section on my homepage where it’s a multi-step process/progress to complete a selection process. For example, basically the exact thing I’m trying to do is the following on this website: https://www.icracked.com/repair.

If you click on one of the devices, it automatically loads the next selection options without reloading the page.

Anyone know how to do this?

I am using Enfold theme by Kriesi if that helps.