Steve Endow looks at GP 2013 R2 changes to User Setup window. We’ve covered Mohammed Daoud’s deeper dive into the identity portion of this window before.
Dynamics GP Land: GP 2013 R2 changes to User Setup window
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.