Downloading the Binder and Open it can be a little tricky. Please try the following to open the Body Code Certification Binder.
Step #1 Find the link:
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Step #2 Download it. 

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Step #3 Open it, you will see that message about the later version of the PDF viewer. (This is the web viewer) 
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Step #4  Select the Download icon and Save it on you Desktop.
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Step #5  Find it on your Desktop (This version will be the PDF Desktop version and not the web viewer version)
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You should be able to open it and work on it.

Best of luck.