setvar gfx_resolution = 1920x1080 (or your preferred resolution).
: To avoid black screens on Windows 10, some find it helpful to set setvar gfx_fullscreen = 0 to run in windowed mode, then maximize the window once the game starts. Method 3: Heroes 5.5 Mod (All-in-One Fix) heroes 5 widescreen fix 2021
If you cannot get 16:9 to work without the image looking "squished," you can force your graphics card to maintain the original 4:3 aspect ratio with "black bars" on the sides. heroes 5 widescreen fix 2021
In 2021, players have several reliable methods to fix widescreen issues and ensure the game displays correctly at 1080p, 1440p, or higher. heroes 5 widescreen fix 2021