You have to go to the lost woods make a left and give it to the guy sitting down, then he gives you the mushroom you have to take it to the old lady behind the potion shop to her potion shop then go to the lost woods again this time instead of that guy there you see a little kokiri girl give her the medicine then she gives you the poachers saw then go to Gerudo valley take it to the fat guy in front of the tent then he gives you a broken sword go take it to Biggoron next to the great fairy fountain and he needs eydrops go to the Zora king and give him the prescription then give it to the Biggoron then he says come pickup the sword in the three days i think play the sun's song six times then give him the recipt, and the Biggoron's Sword is all yours!!!!!
If you are having trouble go to the video walkthrouh for Ocarina of time.
