Microsoft and GPUG are teaming up to help get you ready for Dynamics GP 2013. Are You Ready for Microsoft Dynamics GP 2013? It’s Coming!
Are You Ready for Microsoft Dynamics GP 2013? It’s Coming! – Inside Microsoft Dynamics GP – Site Home – MSDN Blogs
Microsoft & the GP EcosystemGP 2013
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.