The first screen after sign-up: a welcome with how far set-up has come, a checklist of the few steps that make the product useful (each with why, how long it takes and one button that starts it), the next step opened and offered as the page's one primary action, done steps drawing their check and gathering at the end, steps that can be skipped and brought back, and a finished state with Hide this list; under it, guides to read or watch. (Beamline complete system)