Welcome to the InterSystems Container Registry (ICR). Here you will find images InterSystems published for your use.
On the left you will find a drop-down menu for navigating available images. It is organized by the following hierarchy, from top to bottom:
Product family: a collection of products under a certain group
...like IRIS Community Edition
Product: a product under a family
Version: a code denoting a version of said product
To come back to this tutorial any time, click the Help button in the top-right corner. You can click it again to return to where you left off.