David reminds us that Mainstream Support for Microsoft Dynamics GP 10.0 Ended 10/9.
Mainstream Support for Microsoft Dynamics GP 10.0 Ends – Developing for Dynamics GP – Site Home – MSDN Blogs
Microsoft & the GP EcosystemGP 10
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.