Step 1: Visit the GlobalProtect Portal page: https://vpn.aus.edu. Once the page is loaded you will need to Log in using your AUS credentials.
Step 2: After logging in, the page will provide you with multiple download options. Click on "Download Mac 32/64 bit GlobalProtect agent".
Step 3: Double-click on the downloaded file and the following window will open. Click on “Continue”.
Step 4: Click on “Continue” for the next few windows until you reach the "Destination Select" window. Click on “Install” and follow the steps as shown below in the screen shots.