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    Product Registration Help

    To access purchased content or to download files from the Companion Website, you will need to create an account and register your product.
    Sign in to an existing account or register a new Cheng & Tsui account and enter your product key exactly as it appears.

    (Note: Some products will require you to answer a validation question instead of entering a product key.)

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How do I access the audio downloads and other resources for the textbook and workbook?

Access to the audio and many other resources is free with purchase of the textbook. To download:

  • Go to the companion website for the Huanying series.
  • Create an account. You will need the registration code on Page IV of your textbook.
  • You will then have access to the audio files and various other resources that come with the textbook you have registered.