If you are playing the game Amnesia: Rebirth without crosshair, then follow the below instructions to modify the file and play the game without any trouble.
Go to ..\Amnesia Rebirth\script\player\ and open the file “Player.hps” in notepad. Find these two lines and change them to false, then save.
const bool gbDrawCrosshair =true;
const bool gbDrawDefaultCrosshair = true;
Written by: THE RAT KING