1. Remove your current Interface, WTF and Font folder. (Do not forget to make a backup!
2. Move the Interface, WTF and Font folder from the compilation into your WoW directory.
3. Rename the ACCOUNTNAME folder found in the WTF folder.
4. Load up WoW and verify that all Addons are enabled.
5. Log in and type /reflux switch MyProfile
6. Have fun!