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Hello everyone, I recently bought HOI 3 and the DLC collection through GOG without issues, however, once I try to register the game through paradox (using the code found on the serial key section) it simply states that the code is invalid. Any way to solve this?

Help appreciated.
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Aquilaguard: Hello everyone, I recently bought HOI 3 and the DLC collection through GOG without issues, however, once I try to register the game through paradox (using the code found on the serial key section) it simply states that the code is invalid. Any way to solve this?

Help appreciated.
I suggest posting directly in the Paradox forum or open a ticket at their helpdesk.
Pdox forum: https://forum.paradoxplaza.com/forum/index.php?forums/forum-help-issues-rules.600/
Pdox helpdesk: https://support.paradoxplaza.com/hc/en-us