Gather 4 Iron Blocks
Gather 1 Carved Pumpkin or 1 Jack o’Lantern
Place the 4 Iron Blocks in a T shape
Put 3 Iron Blocks in a horizontal row
Place 1 Iron Block on top of the center block
Place the Carved Pumpkin or Jack o’Lantern on top of the center upper Iron Block
The Iron Golem will spawn immediately