PLEASE HELP ME I NEED IT SO MUCH !?

okK . well our school gave us NEW macbooks . mostly anything you can think of . this is my fisrt year getting it . i have friends in older grades who find these programs that unblock . mostly ichat . theyve used tiger launch oprea , flock , but they were blocked . does anyone know any widgets that would unblock . if you know any other widgets thaht would unblock ichat . or Ichat in genral . some other methods were using speech commands and putting it on junior and saying open ichat it says i dont of provlages to do it and logging in and out would confuses it and unblocks it . please help me .