The modding community has moved on to Hello Neighbor 2 and less intrusive trainers. The era of flying through walls with a fancy HUD is over.
If the Outwitt menu is no longer working for you, players have shifted toward several other methods to achieve the same results: hello neighbor mod menu outwitt patched
: Drag the downloaded "Content" folder into your game's main directory and select "Replace the files in the destination" when prompted. The modding community has moved on to Hello