Keybings & Key to add to Steam?

[helenedwards]

I have the none Steam version of this installed where do i find the key to add the game to Steam so i can get the DLC??

Keybindings. I want to add the UI filters to my keybinds, preferabley to the bottom row of my keybord, Z,X,C ect so i can flip between filter displays far more conveniently than clicking.
Tried to just edit the inputbindings.bak file in the game folder to do this but it does not seem to work.
Throw me a bone
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