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System requirements and troubleshooting guide
You must download a free copy of the latest RealPlayer™ (22.214.171.124 or higher) in order to view the presentations.
You can also download the latest version of the free Adobe™ Acrobat™ Reader (3.0 or higher) and use it to view and print PDF files of the presentations. Visit the Adobe Acrobat Web site for more information about the Adobe Acrobat Reader.