The reason you have 5 different serials is because our system generates a new serial for each request. However they are all tied to the same registration so any of them should work. As far as those serials not working...I checked your account and you do not have a GCII registration. So I suspect that you purchased GCII under a different account. If that is the case then you will need to logon with that account in order to get the Collectors Edition downloads.
Yes, the Bonuspack and the GCII Desktop (both are part of the CE) are separate downloads. Visit https://www.galciv2.com/collectorsedition/ to download.
There are many great features available to you once you register, including:
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