I notice you're asking for a post or guide related to Unigui (not "unigmap"), Delphi 10.2 Tokyo, and possibly XE2 or 148 (which might refer to a build number or component version).
Here’s what you need to know:
Open Delphi 10.2 Tokyo as Administrator. unigmap 148 xe2delphi 102 tokyo full source install
Locate the packages ending in dcl... (design-time packages). I notice you're asking for a post or
uses
Winapi.Windows, Winapi.Messages, System.Classes;
Navigate to Tools > Options > Environment Options > Delphi Options > Library. Delphi 10
(a Google Maps component suite for Delphi) for environments ranging from Delphi XE2 Delphi 10.2 Tokyo Overview of uniGMap 1.4.8