To edit an existing Presentation, select the Presentation that you wish to edit from the Presentation Index page:
![](/Images/Presentation-index.jpg)
This will take you to the Edit Presentation Page:
![](/Images/Presentation-edit-page.jpg)
You will then go to the Layers tab and select the layer that you wish to edit:
![](/Images/Presentation-edit-layers.jpg)
On the Layers tab you can also sort the order of your layers within the presentation:
![](/Images/presentation-layers-sort.jpg)
You can delete an existing layer within the presentation:
![](/Images/Presentation-layer-delete.jpg)
Or, you can add a new layer to the presentation:
![](/Images/Presentation-layer-add.jpg)