Help you find to get the Japanese version running.
have noted that while some partial "texture patches" for menus have appeared, they are often flagged as unstable or malicious by security software. Redundancy
The solves this by:
If you’re a Dynasty Warriors fan, DW5 Special is often considered the peak of the “classic” era—before the open-world experiments of DW9. With this English patch, you finally get the definitive PC edition with more enemies, better draw distance, and all content intact, no Japanese required.