Garmin Waypoint Manager User Manual page 21

Delete Application from Hard Drive
The "Delete Application..." selection will remove Application
software files from your hard drive.
1. Click on the Application selection under the File menu
item. Select "Delete Application from Hard Drive."
2. A list of application software files is displayed. Use the
up/down arrows to choose the file you want to remove.
Now, click on "OK."
What's Installed
The "What's Installed" selection shows the name, serial
number, and date of the Application Software that is installed
on your hard drive.