I believe that glorification will occur when Jesus returns. Before fall of Adam and Eve, they were created as perfect, which means when the final restoration occurs, people will be reconciled with God and regain exact image of God.

What is the purpose of glorification?

The theological doctrine of glorification goes on to describe how believers will be resurrected after death and given new bodies that have a degree of continuity with their mortal selves.

What does glorifying God mean?

: to honor or praise (a god or goddess) : to make (something) seem much better or more important than it really is.