Too many people still don’t get that Workflow in R2 is a complete rewrite from the ground up. Now Microsoft answers key questions about Workflow 2.0 for Dynamics GP 2013 R2 and 2015 . I’ve been really happy with what I’ve seen so far in Workflow. If you haven’t checked it out, you need too.
Microsoft answers key questions about Workflow 2.0 for Dynamics GP 2013 R2 and 2015 | MSDynamicsWorld.com
Install, Upgrade & AdminGP 2013
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.