You can get an overview of your Editions by going to Artwork in the left-side menu, and clicking on Editions underneath.
By clicking on the title of the Edition, you will get a list of all the original Editions within that Edition.
From here, you can edit the individual information of each Edition, change the image, add images, assign the work to a Show or Location, and more.
You can also view your editions on your main Artwork Page.
Click Artwork in the left-side menu. In the Filter menu at the top, click on More, then select "Only Editions," "Hide Editions," or filter by Edition name within the Editions drop-down menu.