: Check for the General Component Updates Patch 2 to fix known startup and licensing issues. Important Lifecycle Notice
| Feature | 32-bit ArcMap | 64-bit ArcMap (Background Geoprocessing) | | :--- | :--- | :--- | | | 4 GB (crashes often at 2.5–3 GB) | No practical limit (system RAM dependent) | | Speed | Slower for large raster/vector operations | Significantly faster processing | | Stability | May crash on large datasets | More stable for heavy geoprocessing | | Extension support | All extensions work | Some legacy extensions (e.g., older ArcScan) may have issues | arcgis desktop 10.8.2 download
Even though 10.8.2 is the final release, Esri has released several quality-of-life patches. After your base install, run the utility (found in your My Esri downloads) to bring it to the latest build. : Check for the General Component Updates Patch