To edit slides in an online presentation package, do the following:
Go to the ancillary site for the instructor resources you are using.
Open the presentation package and go to slide 2, the Contents slide.
Select a chapter.
Click on File on the top toolbar. Click on Edit with Microsoft PowerPoint.
When the document appears in PowerPoint, select File on the top toolbar.
Click on Save As and browse for a location on the computer to save the new document you are creating.
Make the edits that you need.