- Download the compressed .sit file to your computer.
- Double click the file to decompress it (if you do not have Stuffit Expander, please go to www.aladdinsys.com).
- Double click your hard drive.
- Double click your system folder.
- Drag the sound file onto the system icon.
- Click-hold the rainbow apple on the upper left and select "Control Panel" --> "Monitors and Sound".
- Click on the Alert tab and select your new sound.