Create a "How it Works" Video to a eCommerce project

I need a video that explains how the platform. It is quite simple, with 5 or 6 steps everything is explained. The steps are: 1 - The user makes the record on the platform 2 - After it records an ad 3 - The sellers make their offers stating price, cost and shipping time 4 - The buyer chooses the offer that suits you 5 - contact details are sent to the winner announcement 6 - after completion of the transaction the user evaluation form.