True 3D cutscenes will scale with the mod, but pre-rendered .bik video files cannot change their native aspect ratio. They will always have black bars on the sides to prevent distortion.
Some third-party tools can help you play Heroes 5 in widescreen:
Are you running any like the 5.5 TotE community expansion? heroes 5 widescreen fix best
Download the community-made mod from Celestial Heavens or ModDB.
It includes integrated scripts that upscale text and reposition interface windows so they do not clip. True 3D cutscenes will scale with the mod, but pre-rendered
Direct Solution First It corrects the stretched user interface, fixes cutscenes, and perfectly scales the field of view for modern 16:9, 16:10, and ultrawide monitors. Why Heroes 5 Needs a Widescreen Fix
If you cannot or do not want to install the 5.5 mod, you can force your graphics card to scale the image, ensuring it isn't stretched, though this may result in black bars (letterboxing). For NVIDIA Users Open . Go to Adjust desktop size and position . Select Aspect ratio and set "Perform scaling on" to GPU . Download the community-made mod from Celestial Heavens or
Widescreen fixes expand your horizontal field of view but can sometimes make the camera feel claustrophobic. To fix this, search your user_a2.cfg file for setvar view_fov and increase the value slightly (e.g., from 90 to 100 or 110 ) until the map zoom feels comfortable.
Some software solutions and wrappers can help enable widescreen support in older games. These solutions often involve:
Complete Guide to the Best Widescreen Fixes for Heroes of Might and Magic 5
If the game appears stretched (characters look short and fat), you can force your graphics card to handle scaling rather than the game.