How to customize H3 screen settings? (non in game settings)

As the title says.I want to try running H3 on my old computer. But even the lowest image quality in the game can’t meet my needs, ha ha…So can anyone teach me how to customize the screen settings of H3? For example, custom window size, custom resolution, custom rendering magnification and so on. The method I think of is to find the configuration file of H3. But I can’t find it.

I’m afraid this is impossible

Or are there some screen setting modification tools that apply to most games?

i think lowspecgamer’s guide is just what you’re looking for

in this video he tweaks hitman 2016, but it may still work for hitman 3

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Thanks.I’ll try later.