Installation and configuration of NAV 2013 R2

Hi

I need a guide on how to install and configure NAV 2013 R2 for three Sites to have central database

Thanks

Following link will help you

http://msdn.microsoft.com/en-us/library/dd301330(v=nav.70).aspx

Thanks for your response

But, I will the architecture layout be. The three Site are in different location city. where will i install the Sql sever and the NAV server. and i want then to have central Sql Server. Will i have to install the sql server on one site, and have the other site to access the Sql server via Web client option?

Thanks