You need BLT for both of these: https://paydaymods.com/download/ Alternatively you can use the source to make your own BLT-less mods.   First the set sensitivity & fov: https://github.com/Skwuruhl/pd2-set-fov-sensitivity put "set FOV & Sensitivity" folder into the \PAYDAY 2\mods\ folder edit set.lua with notepad++ or similar change fov and sensitivity variables according to mouse-sensitivity.com If you want to manually set them then fov is a multiplier