If you need to download ArcGIS software, you should only use official channels to ensure the installer is secure and genuine: ArcGIS Enterprise Life Cycle - Esri Support
: ArcGIS 10.5 was originally released in December 2016. Most versions from this era are now in the "Mature" or "Retired" support phases, meaning they no longer receive routine security patches or technical support. ESRI ArcGIS Server Enterprise 10.5 Free Download
: ArcGIS Enterprise is not free ; it requires a valid license file and authorization numbers obtained through an active maintenance agreement or subscription. Free download links from unofficial sources are often pirated versions that may contain malware or security vulnerabilities. Legitimate Ways to Access the Software If you need to download ArcGIS software, you
Searching for a "Free Download" of typically leads to third-party sites that may offer unauthorized or unsafe software installers. As of 2026, ArcGIS Enterprise 10.5 is a legacy version that has long been superseded by newer releases like ArcGIS Enterprise 11.x and 12.x. Free download links from unofficial sources are often
: At version 10.5, the product formerly known as "ArcGIS for Server" was renamed to ArcGIS Enterprise .
Below is a report on how to legitimately access, license, and download ArcGIS Enterprise software. Software Status and Licensing