When the Casper software is installed on a Mac, the Self Service app is installed into the Applications folder. Self Service allows an end user to install applications made available by their IT admin.
To access the Self Service application browse to Macintosh HD->Applications->Self Service or press command-space and type "Self Service".
You'll be presented with a login window as soon below. Enter your Kerberos username and password.
Once the login is successful you'll see a window similar to the screen below. You may need to click the home icon to see the available applications.
Simply click install on any of the available applications to install it. You do not need to be an administrator on the computer to install applications from Self Service.