Here's how you can add an existing course to a new group you have already created:
Step 1: Click the My Groups tab.
Step 2. Then click the "Edit" link for the group.
Step 3. You will then be taken to a page to update the settings for the group. Click the "Course" tab.
Step 4. Choose the name of the course under "What course will you be using for this group?" Then click the Save button.
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