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    To access purchased content or to download files from the Companion Website, you will need to create an account and register your product.
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Product Registration

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.)