Download Hec Geohms For Arcgis 108 Exclusive May 2026

ArcGIS 10.8.x is the final version of the Esri ArcMap product line. HEC-GeoHMS versions 10.2.x and 10.3.x are known to work with ArcGIS 10.8, but require careful installation due to changes in Python, .NET Framework, and licensing.

| HEC-GeoHMS Version | Compatible ArcGIS | Status for 10.8 | |---------------------|------------------|------------------| | 10.2.2 | 10.2 – 10.5 | Limited (may crash) | | 10.3.1 | 10.3 – 10.6 | Mostly stable | | 10.3.2 | 10.3 – 10.7 | Recommended | | 10.3.3 | 10.3 – 10.8.1 | Best choice |

Recommendation: Use HEC-GeoHMS 10.3.3 for ArcGIS 10.8. No later version was officially released for ArcMap. download hec geohms for arcgis 108 exclusive

Do not use third-party or unofficial mirrors. The only secure, exclusive source for HEC-GeoHMS 10.2.2 (for ArcGIS 10.8) is the official USACE Hydrologic Engineering Center website:

Official Download Page:
https://www.hec.usace.army.mil/software/hec-geohms/downloads.aspx ArcGIS 10

Open ArcMap:

Before downloading, ensure the following: Official Download Page: https://www

Note: If an older HEC‑GeoHMS build lists specific ArcGIS minor versions, select the one that matches 10.8 or the generic “10.x” release.

⚠️ Note: Version 10.2.2 is the final release for ArcGIS 10.x. There is no “HEC-GeoHMS 10.8”. The number “10.2.2” is the GeoHMS version; it is fully compatible with ArcGIS 10.8.

| Component | Status | |-----------|--------| | ArcGIS 10.8.0 | ✅ Full support | | ArcGIS 10.8.1 | ✅ Full support | | ArcGIS Pro | ❌ Not supported | | 64-bit background geoprocessing | ⚠️ Disable it (GeoHMS requires 32-bit) | | Windows 11 | ✅ Works (tested with ArcGIS 10.8.1) |