http://www8.garmin.com/vehicles/howtoinstall/voices.htmlHow to install your Garmin voice
How to install the voice:
1. Connect your Garmin GPS device to your computer.
2. If you don't already have the Garmin Communicator, install it here.
3. Return to the individual voice download page.
4. Click the Install Voice button on the voice download page.
How to install without using Garmin Communicator
1. Connect your Garmin GPS device to your computer.
2. Click the Download Voice button
3. Click Open, if necessary.
4. Click Extract.
5. Browse to find the “Garmin/Voice” folder on the Garmin drive.
6. Double-click the Unplug or Eject icon in your system tray. Click Stop, and then click OK.
7. Unplug the USB cable from your Garmin GPS device.
http://www8.garmin.com/vehicles/voices/