The game is officially available on major platforms, though "complete" editions vary by how much extra content they bundle:
If you already own the game, you can instantly unlock all non-DLC costumes, music, and movies by going to the Help & Options screen and holding LT+RT+LB+RB (a chime will confirm it worked). DEAD-OR-ALIVE-5-Last-Round.rar
Be cautious with .rar files from unofficial sources, as they often contain pirated content which may carry security risks or be missing the online features available in the official Steam version. DEAD OR ALIVE 5 Last Round: Core Fighters on Steam The game is officially available on major platforms,
Note that the character Alpha-152 is an in-game unlockable that requires obtaining 300 titles rather than a direct purchase. Hard copies are available for PlayStation 4 and Xbox One
Hard copies are available for PlayStation 4 and Xbox One. A Japanese-exclusive "Collector's Edition" for PS3 also exists.