Sorry, but this is extreme security risk. Installing pirate patches itself is like giving your PC away for everyone. Not using antivirus on that old, not supported system is not helping as well.
If you don’t want to use Win10, than reconsider using some Linux distribution.
Something user friendly like Linux Mint, Ubuntu, Kubuntu, ...
Vintage Story runs fine and with Steam proton and Lutris, you can play a lot of windows games as well.