The Standard Menu is an overlay for your Action Bars, this is an option on the final page of the Quick Setup Wizard. Additionally, a message pops up in the game the first time you log into your team, the one that said "Welcome to ISBoxer 41" and "you might be curious about some see-through green squares".

My ISBoxer 41 + WoW video that is currently on the front page of dual-boxing.com will also bring you up to speed...