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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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How do I login and register?

To login, you must first register. To register, click [Register] and fill out the required field with a user name of your choice. Click [OK]. You can now login anytime by typing in your in the field and clicking [Login]. Make sure to write down your user name.
*If you want to password-protect your account, you can also fill in the two [Password] fields when you create your account. Your password is case-sensitive, and you must remember it each time you login.

Please note: User names and passwords are only recognized on the computer at which they were created. Every time you use the program at a new workstation, you have to re-register before you can log in.

To bypass the username and password system, simply log in as “guest” (do not register first) and do not enter a password. If you choose this option and there are multiple people using the “guest” username, please note that the user’s exercise scores will not be saved from one session to the next. The user will need to print out his/her exercise scores before he/she quits the current session.