In Mac HD > Digidesign:Document Readers Folder(Other Digidesign Applications, if installed)Pro Tools Folder Pro Tools Utilities folder DigiTest Track Transfer Utility Folder Calibration Mode Templates Folder (TDM only) OMF Tool Folder if installed (TDM only) Pro Tools (Application) Release Notes & Documentation Folder-----------------------------------------------------In Mac HD> System Folder > DAE Folder: Codecs FolderControllers FolderDAE (application)Plug-In Settings FolderPlug-Ins Folder 16 or 24 bit Optimized Mixer (required) Other plug-insPlug-Ins (Unused) Folder-----------------------------------------------------In Mac HD> System Folder > Control Panels:OMS Preferrred DeviceDigidesign Sound (if applicable - v5.01/OS9 and higher)----------------------------------------------------In Mac HD> System Folder > Extensions:Digidesign DSP ManagerDigisystem INITOpen Music systemDigidesign Stream Manager (if applicable/needed)Digidesign Output Drivers (if applicable/needed)Digidesign Direct I/O (if applicable/needed - v5.01/OS9 and higher)