Oo no .. so indeed I'm tooo late :'( !
I've emailed Larian Studios, thanks for the tip Raze
I hope that will help because I've filled in the Kickstarter code at the time I bought a new pc (that was after the email I got from Larian Studios about the rewards!) and then I could install D:OS, not earlier

!
And I didn't know the TIME to accept the KS Rewards was limited !
I missed (almost) all things I believe ... also the Golden Grail and the Zandalor's Trunks ...
Logging in the "Vault" I read :
Does not accept input
Input for this reward is now closed.
This cannot be

!!!