Before diving into the technical "how-to," it is worth understanding why the Japanese (JP) dub is so sought after. miHoYo (now HoYoverse) invested heavily in top-tier talent:
: To save space later, use the Manage Voice-Over Files option in the same menu to delete unused language packs (e.g., English or Korean). Platform-Specific Download Sizes genshin impact japanese voice file download
If you have the storage space (at least 30 GB free for the download process) and a stable internet connection, do it. If you are on a PS5, remain patient with the system-language workaround. If you are on mobile, connect to WiFi and be prepared to wait overnight. Before diving into the technical "how-to," it is