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    Product Registration Help

    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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Cheng & Tsui will periodically send coupons via email. To use a coupon, locate the coupon code found in the email and be sure to include it in the Notes field when you check out.

To sign up for coupons, log into your account and change your email preferences to allow Sales & Promotions materials.