Use dgVoodoo to convert the game to DX11:
Download and unzip dgVoodoo to any folder you choose
From “MS/x86” folders copy “D3D8.dll”, D3D9.dll”, “D3DImm.dll” and “Ddraw.dll” and place them to the game’s installation folder where “MM8.exe” is located
Launch dgVoodoo and Set Config folder/Running instance: “folder where your game’s exe file is located”
GENERAL tab:
Output API: Direct3D 11 (feature level 11.0)
Adapter(s) to use/enable: "Your graphics card"
Full Screen Output: \\.\DISPLAY 1
enable "Full Screen"
enable "Enumerate refresh rates"
Leave everything else as they are
DIRECTX tab:
Videocard: dgVoodoo Virtual Accelerated Card
VRAM: set to highest available (amount depends on dgVoodoo version)
Resolution: set to your monitor's highest as long as it's 119Hz
Filtering and Antialiasing as you prefer (I use “Force anisotropic 16x” and Antialiasing: “Off”).
Leave everything else as they are
In dgVoodoo settings be sure NOT to enable "Fast video memory access", it will crash the game.
Make shortcut of MM8.exe to your desktop.
Right click on MM8-shortcut and select “Properties”. Then select “Compatibility” tab and make followin selections:
- Windows 8 compatibility mode, disable full-screen optimisations and run as administrator.
In Nvidia Profile Inspector create new profile and add MM8.exe to it.
Then set “ StereoTextureEnable” to “0x00000001 COMMON_STEREO_TEXTURE_ENABLED”
Go to game-folder and run MM7Setup.exe. In Might and Magic Configuration Utility that launches, select “Full Screen”, enable “Hardware Accelerated 3D” and from drop-down menu select “dgVoodoo DirectX Wrapper”
Exit MM Configuration Utility and launch game from the desktop shortcut you made earlier.
dgVoodoo: http://dege.freeweb.hu/dgVoodoo2/dgVoodoo2.html
Nvidia Profile Inspector 2.13: https://www.filecroco.com/download-nvidia-inspector/