From your dashboard, click on the "Groups" link in the sidebar. This will take you to the "Manage Groups" page, where you can see a list of all your existing groups.
Click on the "Add New Group" button, which is typically located at the top of the groups list. This will take you to the "Add Group" page.
You will need to provide the following information for your new group:
After filling in the details, click the "Add" button to create the new group.
Your new group is now ready. You can always edit the group later to add or remove users and accounts.