Pricing: Customers in the United States can click Buy to begin your purchase. Confirm you are a designated purchaser in ArcGIS Online before proceeding. Click the Get Help link in the header to see how to update your permissions. Customers outside the U.S., please contact your local Esri Distributor - www.esri.com/about-esri/contact
then when I click on free trial, it wants me to login to marketplace...sooo I think it is working as designed