The iron boots are in the ice cavern. You have to go through a couple puzzles and defeat a wolf, and then a chest appears with the iron boots. Afterwards, Sheik appears to teach you a song for your Ocarina.
you find it in the shadow temple after killing a mumie
In the shadow temple at the beginning of the temple, you defeat a dead hand then you will find it in a chest.
You can get the following: Kokiri Tunic, Kokiri Sword, Master Sword, Deku Shield, Hylian Shield, Kokiri Boots, Bombchu, Boomerang, Deku Nuts, Deku Stick, Fairy Bow, Fairy Slingshot, Fairy Ocarina and Ocarina of Time. I think that's all
you must collect blue fire and use it on the tresure chest.
As adult Link, head to the shrine where Jabu-Jabu was as a kid, hop the ice to the cavern, and complete it to recive the iron boots.
You can't get the triforce in ocarina of time.
In the Shadow Temple from a chest that appears after defeating the mini boss Dead Hand.
In Ocarina of Time
you get the ocarina as a kid. . .you get the fairy ocarina from saria when you try to leave the forest after beating the deku tree level, the ocarina of time comes after you beat jabu jabus belly... if u need the ocarina of time head for the castle, and it will go into a screen play where kid Zelda throws it into hyrule castles moat. dive down to get it and the go play the time song in the temple of time
Inside of Jabu's Belly
in kakariko village.
if you mean on Zelda Ocarina of Time, then go to Ganondorf's castle