After installing the utilities, find a part in PartQuest, Download it, and then run Tools Import PartQuest Parts. This will create the PartQuest.ini file that can then be edited.
We are working to simplify this step, but currently this is how it works.
This document walks through setting up PartQuest to a PartQuest database Partquest Project Template for PADS VX.1 with xDX Databook I would try this first to learn how PartQuest works.
Then go to this document, Page 8 to enhance your .dbc file with parts from PartQuest. PartQuest to PADS Databook netlist flow