[SOLVED] How do I change repositories?

Some days ago I installed the release candidate of Mageia 3, and it worked flawlessy. Now I must change repositories from cauldron to Mageia3. How do I do this?
Thanks to all developers and the whole community that produced this beautiful version!
Greetings,
Erik.
Thanks to all developers and the whole community that produced this beautiful version!


Greetings,
Erik.