HEC-WAT Quick Start Guide Authors Only Standard Step-by-Step Current: Installing and Running HEC-WAT PDF Download PDF Download page Installing and Running HEC-WAT. Current page Include child pages All pages Installing and Running HEC-WAT This section describes the recommended computer system requirements for running the program. Step-by-step installation procedures are also provided for the Microsoft Windows Operating System.TopicUpdatedDescriptionOperating System for HEC-WATLast Modified: 2025-12-23 14:29:18.097Provides an overview of the HEC-WAT software configuration and use with different operating systems.Requirements for HEC-WATLast Modified: 2026-01-05 09:24:54.37Provides an overview of the minimum and recommended hardware and software requirements for running HEC-WAT.Installing HEC-WATLast Modified: 2026-01-05 09:28:50.01Provides instructions for downloading and installing the HEC-WAT software. Also, includes instructions for installing HEC-RAS (if needed).Running HEC-WAT (First Use)Last Modified: 2025-11-12 14:14:23.895Provides instructions for opening the HEC-WAT software for the first time. ×