@alexblue150 gave me a super easy fix (if you installed the game already)
Go to the folder you have installed the game, make sure it's highlighted, and shift right click it. Select "Open PowerShell window here". After that should appear a window called "Windows PowerShell". In that window it should appear the location of the folder of the game, an example would be something like "c:/user/~yourusername~/desktop/fnf" (yours can be different, but you should see the name of the folder you have fnf in). Run the command "tee log.txt | ./Funkin.exe" in that window (so paste it and press enter.
It should run the game, don't close Windows PowerShell while you game.
Again shoutout to @alexblue150, you're a lifesaver man.