Downloading:Open Stardock Central->Click Games->Click Sins of a Solar Empire->Click Install
Keys/Authentication:Sins should auto-authenticate if you allow it through your firewall. If that fails or you don't want it to get through the firewall, you can retrieve your serial number by using Stardock Central->Tools->Lookup Serial.
Here is a complete walk-thru: https://www.stardock.helpserve.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=478&nav=0,52,53,55
Be patient gang, preorders are still churning through, so it may take some time.
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