download it first at:
http://www.goteamspeak.com/just incase u dont know which one to download heres the link:
http://www.goteamspeak.com/index.php?page=downloads&id=1ainstall it
Launch teamspeak
click the following: Connection > Connect > under the "local addess book" tab right click anywhere in the white area and click on "add server" > name the server u just created > fill in the information > click connect.
i dont happen to know what TS server we're using these days so I cant tell u what to put in the information fields.