If you want to add one more layer into current graph window, you can select Insert: New Layer(Axes): ### menu to add a new layer with desired axes.
This tutorial will teach you how to add one more layer into current graph window by the X-Function layadd:
Once you have added a new layer into current graph, you can double-click on the new layer to open Plot Details dialog to check the linking status in the Link Axes Scales tab.
Origin provides Common Display controls for applying customizations made to a single graph layer, to selected layers in a multi-layer graph. By default, added layers are excluded from such group customizations. For more information, see Common Display.