when she got it:paige got this power in the episode:"Charmed again"
How it works:As a half whightliter she has naturally gained her powers from her fatherThis power works buy splitting the body down into moclucles and then making a body again in some where else.
activiating it:Paige just thinks of a place and she can naturally orb then.At first paige just orbed on one spot when she was scared now she can orb to any part of the world.
Other:later on we find out paige had had the power all her life but never new about it and when her parents dided in a car crash she only survied because she orbed out in time.
Like Prue, Paige has the ability to move things with her mind. But she does that differently than Prue did. Paige calls for objects and the materialize in her hand or near her. She can now control her power and is able to orb an object and leave it dematerialized in her hand, in order to throw it against a Demon or Warlock, e.g. an energy ball.
Ability of Biokinesis
With her hands she can heel wounds, but only with the help of another white-lighter.