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Does this game really only work on Windows 10? I have such a restrictive internet provider that upgrading to 10 would cause issues. That's assuming I would want to.
This question / problem has been solved by DJM.553image

I'm on Windows Seven 64 and the game is working perfectly.
You must have a Nvidia graphics card and up to date drivers.
The game is developed under Vulkan.
Hoping to have helped.