I--- Arcgis 10.3.1 ((free)) Download -

ArcGIS 10.3.1, released in May 2015, stands as a pivotal version in Esri's history, bridging the gap between traditional 32-bit desktop GIS and the modern 64-bit "Web GIS" era

Back in 2015, Esri distributed physical trial DVDs of ArcGIS 10.3.1 with 180-day licenses. You can sometimes find unopened copies on legitimate second-hand markets. Once the 180 days expire, you will need a valid license file. i--- Arcgis 10.3.1 Download

To download ArcGIS 10.3.1, follow these steps: ArcGIS 10

Users within a site license (e.g., Educational Site License) should obtain the installer from their internal software portal or IT department. Downloading from unverified third-party websites is strongly discouraged due to security risks and license violation. released in May 2015