The search for an "exclusive" download of ArcGIS Desktop 10.8.2 is a bit of a digital ghost hunt. Officially, Esri never released a version numbered 10.8.2; the ArcGIS Desktop (ArcMap) lineage reached its final peak at version 10.8.1.
Existing Users: If you have version 10.3 or later installed, the setup will automatically upgrade your system to 10.8.2. download exclusive arcgis desktop 1082
Supported: While ArcGIS Desktop has "graduated" to retirement, ArcGIS Pro receives regular updates and new analytical tools. The search for an "exclusive" download of ArcGIS Desktop 10
Downloading ArcGIS Desktop 10.8.2: A Step-by-Step Guide download exclusive arcgis desktop 1082