I have been trying to figure this out for a while I asked in game multiple times and I was told I would receive them in the Moogle Mail but I never had to register a code or anything and I still have not received them. I went to the digitalriver site entered my information and under Collector's Edition items it says this.
The_CD_key_that_comes_as_part_of_this_purchase_has_been_integrated_with_DLC_items_Please_note_that_the_DLC_items_no_longer_require_an_additional_code_to_access_your_content_######
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TO begin with what is a CD key? And secondly the biggest one how to I claim my items?