Just in time for Judgement's triumphant return to Eorzea, Final Fantasy XIV is having a free login weekend that runs January 30th through February 2nd.
From the official page:
≪Free Login Weekend Overview≫
Users meeting the following conditions will be able to play FINAL FANTASY XIV: A Realm Reborn free of charge during the upcoming weekend:
So join us in Eorzea again.
source: The Lodestone