: If you are learning with a teacher, you may be prompted to enter a class key after activating your material to join their specific group. Common Troubleshooting Issues

Can I buy just the activation code without the physical book?

: If you purchased your code on an iOS device using Apple’s "Hide My Email" feature, the code might be sent to a randomized Apple-generated address. If you haven't received your code, you may need to fill out a support form with your Order ID. Check Your ISBN

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: He carefully typed the 16 characters into the box on his dashboard. He didn't even need to include the dashes. : With one click on "Activate,"

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