press the button that says 'cmd' on it hold it and while your holding it press 'shift' hold it then while your holding both buttons press '4' then hold it then let go an just how you put a square up on scratch start in the corner of the picture you want to take and drag it down so the square is around the picture you want to take. then, let go and go to your profile. go onto your profile picture and click on it. then go to documents and click on the picture then click 'choose' at the bottom then its your profile picture! that is how to change your profile picture to this.
