overwrite older versions. You must manually uninstall any existing Arc Hydro tools via the Windows "Add or remove programs" settings before continuing. Navigate to the Correct Folder Setup directory , locate the folder labeled Select the Latest Build
For ArcMap: Download ArcHydroTools_x86.msi (or similar 32-bit naming convention). For Background Processing: Download ArcHydroTools_x64.msi .
: The Arc Hydro installer will not overwrite an existing version. Use the Windows "Add or remove programs" tool to remove any older Arc Hydro installations before proceeding. download arc hydro tools for arcgis 10.7
Once the progress bar fills, click Finish to exit the setup wizard. 5. Activating Arc Hydro in ArcMap 10.7
Read through the End User License Agreement, check "I accept the terms," and click Next . overwrite older versions
: Always download the version with the largest version number (e.g., the most recent build for 10.7) to ensure you have the latest bug fixes. GitHub Pages documentation 2. Pre-Installation Checklist Uninstall Previous Versions : The Arc Hydro installer will
Keep the default installation path (typically mapping directly to your ArcGIS install directory) and click Next . For Background Processing: Download ArcHydroTools_x64
Arc Hydro tools are free but often require a download request from the official Esri Arc Hydro Downloads page Arc Hydro for ArcMap : Look for the specific tab or section labeled Arc Hydro for ArcMap Version Selection : Select the folder or link corresponding to ArcGIS 10.7 Recommendation
Access the version-specific storage folders. Look for the directories labeled or 10.7.x .
Set your ArcMap Geoprocessing environments to a local scratch folder (e.g., C:\Work ) instead of a root drive or network path.