To adding, changing or deleting your widgets you need:
- Go to Appearance -> Widgets.
- To activate Photo Gallery widget you need to drag it to a sidebar or click on it.
After activating (or dragging), you will see settings of Gallery widget:
Here you have ability to manage all your widgets.
You will be able to add a new widget to your Widget area.
- Title – set your widget name
- Select gallery – choose one your gallery of available list
To read more information about Gallery widget and see some variants how widget can be displayed open this link
To deactivate widget and delete its settings, drag it back or click on Delete button.