How to Create a WCF WebService in VB.NET

Hi people!,I am Rene bustos, im from Mexico, Actually i work for an American company Called National Unity insurance Company. this company is dedicated to insure Commercial Vehicles, Personal Vehicles, home owners.
Since my 16 years i had interest for the "how they do that" and "how can they make that circle how!!"
then every day i made a lot o questions to my father about the computers and he can not answer me at all. so since that day so far my research about "how can i develop an application" is over my mind.
Well Right now i develop Web applications or Web Services with VB.NET. I made applications And others langauges such like: VB6, VB.NET 2003,2005,2010, C Sharp, AJAX, ASP 3.0, Javascript AND XML. and SQL SERVER 2000, SQL 2008,SQL 2012, WCF, WPF,MVC