Installation of client is done in few "Next... Next" steps.
Cerberos rcon tool client side is used for:
- remote administration
- rcon command execution
- in-game chat preview
- remote map administration
- PB screen shot preview
Screen shots and other detailed information can be found here.
Easiest way to prepare your client to connect to Cerberos rcon server and your GSI (game server instance) is to import/export connection settings from server to client. That process is described here.
Also check "How to" video tutorials in FAQ section here.