How to activate by using .com/activate?

Hey. I am trying to set up the TV, but choosing the channel and signing in does not work. I should activate com and activate tv, but I can't find how to do that with the activation code.

How do I activate the LES MILLS On Demand app on my TV? - LES MILLS+

Acronis True Image 2015: You've exceeded the maximum number of

Activating by a Web Page

Activate Offline

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Activate Your Credit Card

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Activate Office - Microsoft Support