How To Run Games in Japanese Language
The best (and easiest) way to do it is to install Japanese language in your system. To do so, you need to go to:
XP: Control Panel -> Regional and Language Options -> Advanced Tab
Windows 7: Control Panel -> Clock, Language and Region -> Advanced
Windows 8 and Windows 10: Control Panel -> All Control Panel Items -> Language
The harder way is to use something like AppLocale.
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