From David Musgrave, “We are please to announce that the Service Pack, Hotfix and Compliance Update Patch pages for Microsoft Dynamics GP 2010 are now available on PartnerSource and CustomerSource as your one stop shop location for all updates available for GP 2010.”
Service Pack, Hotfix, and Compliance Update Patch Releases for Microsoft Dynamics GP 2010
Install, Upgrade & AdminGP 2010
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.