Ian Grieve is still on the case goingHands On With Microsoft Dynamics GP 2016 R1: Create Company
Hands On With Microsoft Dynamics GP 2016 R1: Create Company | azurecurve
Microsoft & the GP EcosystemGP 2016
Archived post from 2016. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.