CRM On-Premises version has been released recently by Microsoft Dynamics and you will find all the updates and downloads from following link.
http://msdn.microsoft.com/en-us/dynamics/crm/jj937218
Here’s the very first screen I got after installing and configuring my newest CRM 2013 application.
C R M F o r t r e s s | Indika's Dynamics 365 CE Blog 