Chat and Blog module (Windows Communication Foundation on Azure)

Hi all,

Now I want to try Chat module of Kentico but my account is limitted. How to create an trial account to use Chat and Blog module? One more, I read the document guide(https://docs.kentico.com/display/K9/Configuring+Windows+Communication+Foundation#ConfiguringWindowsCommunicationFoundation-ssl ) to seting up a Chat module and we have to configuring WCF on window. However my website on Azure, do we have to configure WCF on Azure or anything? If yes, how to configure