Inside ArcMap, navigate to the top utility menu and click Customize > Extensions . Check the boxes next to your licensed tools (such as Spatial Analyst , Network Analyst , and 3D Analyst ) to activate them for spatial processing.
This comprehensive guide will walk you through the entire process of installing (including 10.8 and 10.8.1/10.8.2), covering system requirements, installation steps, and authorization procedures. Comprehensive Guide: How to Install ArcGIS Desktop 10.8 install arcgis 108
Select and click Next .
It is highly recommended to uninstall any previous version of ArcGIS Desktop (e.g., 10.7) before installing 10.8 to avoid conflicts. 2. Install Python Navigate to the extracted files and open the Python folder. Run PythonForArcGIS.msi . Follow the on-screen instructions to install Python 2.7.18. Inside ArcMap, navigate to the top utility menu