from the PlayStation Store due to expired licenses, making digital copies hard to find officially. Why You Should Avoid "PC Crack" Downloads
If you want a similar experience on PC, the successor is Jump Force (also by Bandai Namco), which is available on Steam. However, note that Jump Force was delisted from digital stores in 2022, though existing keys and physical copies remain.
There is no simple "fix" or "crack" that fully restores the PC version currently. Unlike other fighting games where a crack unlocks the full roster, the architecture of this specific port makes it a "dead game" on PC.