Once you've downloaded the software, follow these steps to install ArcGIS Desktop 10.8.2:
If you are enrolled in an accredited educational institution: download exclusive arcgis desktop 1082
Downloading and maintaining this version requires specific steps, especially as it moves toward retirement : Once you've downloaded the software, follow these steps
If you have an existing license, you can still access the software through official Esri channels: Once you've downloaded the software