What is important here is linking it to the story . . . making the demo a story . . . (Imagine I’m a sales rep, afraid I’ll get fired because of the big problem, but look, right here in the hero product, I see what I need!)
The alternative is “the harbor tour”… “Here on the left, you see our navigation options, while on the top you see . . . common menu items!”
Not as good, but very common.