Version 4.5.2 or closer to 4.8 must be installed on your system before beginning.
What are you using? (Single Use or Concurrent Use) Are you running into a specific error code or message ?
Choose Complete .
Choose "I have received an authorization file" if you have a .prvc or .resps file, or select "I have installed my software and need to authorize it" to enter your codes manually.
Open Command Prompt as Administrator.
Click Next .
Under the "Define a License Manager for Concurrent Use products" section, select . install arcgis 10.8
Ensure your Windows paging file size is optimized so ArcMap doesn't crash during heavy raster processing.
If the installer stalls at the Python setup stage, manually uninstall any standalone Python 2.7 installs on your system, restart, and run the ArcGIS installer again. Version 4
Double-click the downloaded ArcGIS Desktop setup file ( .exe ). Choose a folder for extraction and click "Extract."
In the area labeled , click Browse or type the hostname/IP address of your organization’s license server. Click OK to apply and save changes. 5. Post-Installation Verification To ensure everything works correctly: Open your Windows Start Menu and search for ArcMap 10.8 . Choose Complete