Georas For Arcgis 108 Upd - Hec

: ArcGIS Desktop 10.8.x is currently in "mature support" and is scheduled to be retired on March 1, 2026 . Users are strongly encouraged to migrate to ArcGIS Pro , where GeoRAS does not exist as an extension. Arc Hydro as an Alternative

For optimal stability, especially when using other HEC tools like HEC-GeoHMS, it is recommended to uninstall previous versions first and install Arc Hydro (e.g., 10.8.0.34) followed by HEC-GeoRAS. Key Features for Hydraulic Modeling hec georas for arcgis 108 upd

This is a 64-bit vs 32-bit registry issue. The HEC-GeoRAS installer is 32-bit. Manually copy the extracted files from C:\Temp\HEC-GeoRAS_Installer to C:\Program Files (x86)\ArcGIS\Desktop10.8\bin\ . : ArcGIS Desktop 10