Unlike older hacks that required you to manually edit text files, this modern fix auto-detects your resolution, but you can tweak it.
If you must play the base game executable, you can force a resolution via the file, though the UI will still appear stretched. Navigate to: heroes 5 widescreen fix best
In Radeon Settings, enable "GPU Scaling" and set the Scaling Mode to "Preserve aspect ratio". Unlike older hacks that required you to manually
Play the original campaigns with perfect widescreen scaling, updated sub-factions, and alternative upgrades. Troubleshooting Common Widescreen Issues The Game Crashes on Startup After Editing CFG this modern fix auto-detects your resolution