To use a fan translation patch, you generally need the original Japanese ISO of the game and a patching utility:

While was originally a Japan-exclusive release for the PlayStation 1 in 1998, fans of the Tamiya Mini 4WD series have sought ways to experience the game in English. Does an English Patch Exist?

: Click Apply Patch . A "Patch applied successfully" message should appear.

: The Japanese version remains highly playable for English speakers because the core racing mechanics are intuitive, though the Scenario Mode and part customization menus require translation to fully understand the story and machine tuning. Game Information