: Go to the Downloads tab and select ArcGIS Enterprise .

: Verify your hardware and OS meet the Windows or Linux requirements.

You cannot run ArcGIS Server without a valid license file ( .prvc or .ecp ). You should generate this from the same portal before you begin the installation.

ArcGIS Server is the backbone of your ArcGIS Enterprise deployment, providing the heavy lifting for web services and geoprocessing. Whether you are setting up a fresh site or upgrading to the latest version, getting the right files is your first step toward building a robust GIS infrastructure.

: If you are a developer building custom SOEs or SOIs, don't forget to also download the ArcGIS Enterprise SDK from the Developer Tools section in My Esri. 4. Next Steps