SQL Server AlwaysOn Setup Step-By-Step Guide

Step-By-Step: Creating a SQL Server 2012 AlwaysOn Availability Group

http://blogs.technet.com/b/canitpro/archive/2013/08/20/step-by-step-creating-a-sql-server-2012-alwayson-availability-group.aspx

Manually Prepare a Secondary Database for an Availability Group (SQL Server)

http://msdn.microsoft.com/en-us/library/ff878349.aspx

Join a Secondary Database to an Availability Group (SQL Server)

http://msdn.microsoft.com/en-us/library/ff878535.aspx