Miller's version of Pure Data is called 'Pd-vanilla' because it has just the basic minimum set of functionality. You can download either Miller Puckette's version of Pure Data, or Pd-extended. To begin the installation visit the download page for Pure Data ( ) : Recommended Hardware : Any Mac running Mac OS X 10.4 or later Operating System use for this installation: Mac OS 10.4.11 Software version used for this installation: Pd-extended 0.39.3