Configuration of Microsoft Dynamics AX 2012

Configuration of MS Dynamics AX 2012 for a Retail environment at 1 location. I have downloaded via our MS TechNet Subscription Dynamics AX 2012 & Installed on a Quad Core Opteron w/128GB of RAM. DELL Server running Windows Server 2008 Standard. MS SQL Server 2008 R2 is installed. I can actually finally open up the AX 2012 Main Area Page. but nothing really works because EDT, number sequences, etc are not setup. I just need help configuring this Beast of some software! We have 3 workstation Pc's that need to be Point of Sales. We have 3 workstation Pc's that need to be able to access all features except Payroll & Banking. We need 2 workstation Pc's that need Administration of all features. Our goal is to replace the POS systems & work order ticketing system we have been using. The Networking of the computers is already accomplished. We have been running a proprietary work order system (Web/PHP Based). & QuickBooks. --- I hope I am explaining all of this correctly & in detail enough.