How to activate a CD Key on Battle.net

You have a Battle.net Cd Key, but don't know how to activate it ? Or your code is not working ? All your questions are answered here !

What Can I Do if My CD Key Is Not Working?

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Quick Guide How to Activate a CD Key on GOG.com

Activations » General information

Battle.net - Game Key Activation Guide

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How to Activate CD Keys on Battle.net

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How to Activate a Key on Battle Net

Steam now sends out emails when you activate a CD key! : r/Steam