While Rance X is still in the oven, the rest of the main series is largely available in English:
the files of the same name in your game installation directory (typically C:\Program Files (x86)\AliceSoft\ランス１０ rance x english translation link
Note: Avoid downloading pre-patched files from untrusted third-party forums or torrent sites, as these files are frequently outdated, prone to game-breaking bugs, or bundled with malware. Rance X System Requirements While Rance X is still in the oven,
With more details, I could offer a more targeted response. as these files are frequently outdated
For the complete, seamless narrative experience, always utilize the official digital English release rather than trying to mod a Japanese copy. Tips for Getting Started with Rance X English