Starting remote control in LogMeIn Central
Choose the most convenient way to gain control of a host computer.
From the LogMeIn Central Computers page
Log in to LogMeIn.com and select the name of the computer you want to control.

From the host's Main Menu

From the client desktop app

Once remote control has started...
Once you have launched remote control and successfully authenticated to the host computer, you see the host computer's desktop and the remote control toolbar. See this video for a quick overview:

Sample remote control toolbar