Without a license, the software will install but refuse to run. Therefore, obtaining the correct installer from an official source is only half the battle.
Download the file (or similar).
Do not fall for fake "free download" websites. They jeopardize your security and violate software copyrights. Instead, follow the legitimate path through Esri or your organization. download arcgis desktop 1082 link
To download ArcGIS Desktop 10.8.2, follow these steps: Without a license, the software will install but
Before you trigger the download, ensure your hardware can handle the software. While 10.8.2 is highly optimized, it still requires decent specs: Without a license