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    Key Redemption

    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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If you are a school or reseller and you have an existing account with Cheng & Tsui, we are able to bill you for your order provided we receive an official purchase order. Default terms for existing customers are net 30 days. New accounts and individuals require prepayment.

Please contact the Customer Service Department for details on the terms of your account or for information on setting up an account.