If you've received a Knowledgehook Premium class redemption code and want to upgrade an existing class just follow these steps:

From the control bar at the top of the page, Click on the Knowledgehook logo  to navigate to the class page 

Choose the class you want to upgrade and select "Upgrade" and enter your redemption code.

Nothing changes for how students login, they still go the khmath.com/play and enter their class code. 

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