FFXIV Steam Users Will Be Required to Link Square Enix Account

Square Enix provided clarification on linking Steam accounts and more detail about how this works across different regions.

How to Link Your Steam Account to Square Enix

Final Fantasy XIV Will Require Steam Account Linking Starting Next Month

Final Fantasy XIV can be played on the Steam Deck again

Linking Steam Account : r/ffxiv

Introducing Steam Version Account Linking : r/ffxiv

Square Enix Support Centre - - FINAL FANTASY XIV

SQUARE ENIX The Official SQUARE ENIX Website

SQUARE ENIX Support Center - FINAL FANTASY XIV

Final Fantasy 14' is currently broken on Steam for some players