To use any head morphs you need to have the V3 Head Morph Package from Daz. Same with the morphs if you want to change the body.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi