Log in at www.islonline.com and open the "Computers" from the sidebar.
Click the "Create Group" button.
Enter the group name and click "Create".
New group will be added to the list. Newly created group will be empty when created. Continue to the next topic: Add Computer to Group, to learn how to add computers to it.
Note: If this is the first custom group you created the view will change and the groups will be listed on the left.