Download the latest standalone HEC-RAS software to process the data generated by GeoRAS. 3. Step-by-Step Installation Order
: 3D Analyst and Spatial Analyst must be licensed and enabled via Customize > Extensions . hec georas for arcgis 108 upd
: Some users still use HEC-GeoRAS 10.8 (unsupported) by downloading it from the Esri Support site Download the latest standalone HEC-RAS software to process