Updating the Lightbox Link of an Image

1:
First of all we need to load the editor. To do this click ' Content ' on the left menu, once this drops down and gives you some more options, click ' Pages '. Then select the page you would like to edit, finally click the ' Editor ' button in the top left.

2:
The next step is to right click on the image you'd like to change the Lightbox Link for.

From the drop down, choose ' Image Properties '.

3:
In the pop-up box, navigate to the ' Link ' box.

4:
Change the Destination URL to be that of the new Image.

You can source the URL of your image by following this guide

Press Apply Changes once you've done this