Websites like GameFAQs, Reddit, or specialized gaming forums often have threads dedicated to game patches and save data management.
While much of the game is playable in English, the story translation remains incomplete. Major story events for the ARC-V characters and interactions with non-important characters remain untranslated. You can mitigate some issues by turning off in-duel subtitles in the game's options. Websites like GameFAQs, Reddit, or specialized gaming forums