How do you put on a new power steering belt on 1994 Toyota Celica

I'm having a little problem getting belt around back power steering wheel

Asked by for the 1994 Toyota Celica
you have to loosen belt to remove make it a bit looser so you can fit new one on . or short cut is put belt on crank pulley hold it tighton power steering pulley and turn crank with rachet and socket till it goes on
thanks alot ,but the old belt is already off and i couldn't finde the bolt to loosen the pulley