In order to own your Legacy CC, you must pown (password-own) them to change all the authenticity numbers.
This requires software to contact the RAIDA™ and change them. This software can be downloaded from the links below. Versions for Mac, Linux, iPhone and Android are in development.

The Newest Software

CloudCoin Wallet for Windows 

CloudCoin Wallet for Mac

CloudCoin Wallet Video

Detect if CloudCoins Are Authentic