I've only played around with both, haven't used either for an extended period of time, but it seems to be the consensus among people who have that Tails is easier to use and less buggy. Maybe it was Guru? He left the forum and deleted all his posts. It's fairly easy and explained in their documentation. https://tails.boum.org/doc/first_steps/persistence/configure/index.en.html Applications -> Tails -> Configure persistent storage. Let me know if it fails at some step. Also consider that Liberte is developed by one guy and it hasn't been updated since last September. Tails has a team of people behind it, and gets bug/security fixes and new features on a monthly basis.