Technical Report: HEC-RAS 6.0 Download, Acquisition, and Overview
Q: Can I use HEC-RAS 6.0 for commercial projects?
A: Absolutely. Engineering consultants worldwide use HEC-RAS for FEMA flood studies and dam safety reports. hec ras 6.0 download
If you must have 6.0 for legacy reasons, contact USACE support for a direct download link to the archived 6.0 installer. Technical Report: HEC-RAS 6