In the left hand side menu, select the computer radio button (default selected) and use the drop-down bar below to search for the computer you wish to take control over:
When a computer is selected a colored indicator next to the computer drop-down will show if the computer is online or offline.
In the center of the interface, there is a list of the computers primary users and a list of software currently assigned to the computer.
Click on the Connect button the lower right corner to take over the remote computer.
See the chapter “Remote Control Tool” for how to use the remote control tool.