Yes, it can be installed on vertical walls for a shiplap or horizontal look. Choose a wall that is indoors, not sloping, and safe from any humidity or moisture – so probably not in your bathroom, but your bedroom would be good. The walls should be primed or painted drywall only; remove any wallpaper or paneling prior to installing a laminate accent wall. You will want to plan on adhering the laminate to the wall, probably with silicon caulk.  It is also worth nothing that laminate is not suitable for ceilings or soffits.