Craft 3 sticks
Craft 3 strings
Open a crafting table
Place 1 stick in the middle of the left column
Place 1 stick in the top middle slot
Place 1 stick in the middle of the right column
Place 1 string in the top left slot
Place 1 string in the middle slot
Place 1 string in the bottom left slot
Take the bow from the result slot
Craft arrows with 1 flint, 1 stick, and 1 feather for each arrow
Equip the bow and arrows to shoot