This step will add a few categories and listings to your site, so you can get a feel of what is possible with your GeoDirectory site. You will be able to delete them later.
If you do not install the dummy data or you delete the dummy data, you will have to make sure that you create at least one category for your Custom Post Types like Places or Events, or you will not be able to add any listings.
Click on the General tab under the GeoDirectory logo and then select the dummy data tab. You can select how many listings you would like to install, 10 is the default but you can install up to 30. After clicking Insert Sample Data there will be a short wait while the dummy images are downloaded and the dummy address info created for your default location. You will see an ajax counter displaying the progress and it will let you know when the installation of the dummy data is finished.