The Hydrologic Modeling System (HEC-HMS) is designed to simulate the complete hydrologic processes of dendritic watershed system.
Publisher’s description
What is HEC-HMS?
HEC-HMS is a proprietary program for Windows from Hydrologic Engineering Center.
Installation and requirements
Official installers exist for Any CPU as EXE. The installer supports unattended (silent) installation.
Updates and version history
The current version is 4.13, released on July 11, 2025. 3 versions are listed since March 30, 2022, each with links to its own installer files. That is about 0.9 releases a year. The last update is more than a year old.
Popularity and file types
The source code on GitHub (HydrologicEngineeringCenter/hec-downloads) has 50 stars.
Project description on GitHub: “HEC web site mirror for large binaries.”
Pros / Cons
Pros
- Documented silent install
Cons
- Proprietary licence: check the terms and price
- No update for more than a year
In short: HEC-HMS is a Windows tool for Any CPU PCs. Updates have slowed down. Administrators can deploy it unattended.
Is HEC-HMS safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
309BB87EF05CCC8E57CF9557BFDA9E711510AFC6929CF6ECBE36EAD0A6F063B8· Open the VirusTotal report for this hash - The link has not been checked yet
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 3 versions ›3 versions over 3 years · about 0.9 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 4.13Latest | July 11, 2025 | — | Any CPU EXE |
| 4.10 | August 1, 2022 | — | Any CPU EXE |
| 4.9 | March 30, 2022 | — | Any CPU EXE |
Install from the command line
Silent install ›winget install --id HydrologicEngineeringCenter.HEC-HMS -eHEC-HMS_413_Setup.exe /S /v/qnRelated guide: How to use winget: install and update apps
Information
- Publisher
- Hydrologic Engineering Center
- Licence
- Copyright (c) 2020 Flexera. All Rights Reserved.
- Price
- See the publisher’s site
- Source code
- github.com/HydrologicEngineeringCenter/hec-downloads
- Requires
- Windows 11 / 10
- Architecture
- Any CPU
- Installer
- EXE
- Version
- 4.13
- Released
- July 11, 2025
- Added to the catalogue
- March 30, 2022
- Versions listed
- 3
- Updates / year
- 0.9
- Downloads on ExeAtlas
- 8
- GitHub stars
- 50
- GitHub forks
- 10
- Website
- github.com
- winget ID
- HydrologicEngineeringCenter.HEC-HMS
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is HEC-HMS free?
HEC-HMS is proprietary (closed-source) software (licence: Copyright (c) 2020 Flexera. All Rights Reserved.). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is HEC-HMS safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install HEC-HMS with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can HEC-HMS be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does HEC-HMS run on ARM (Windows on Arm)?
The installer is architecture-neutral.
Where can I download an older version of HEC-HMS?
The versions page lists all 3 versions with links to their official installer files, back to March 30, 2022.
