To apply an English patch, you need a clean, untouched ISO of the Japanese Winning Eleven 3 Final Version . You can then use patching tools like Delta Patcher or PPF-O-Matic to apply the .xdelta or .ppf translation patch to your ISO file.
The "New English Patch 2020" and similar fan projects provide a comprehensive overhaul of the Japanese text : To apply an English patch, you need a
The is a community-driven project that translates the Japan-exclusive PlayStation release, World Soccer Jikkyou Winning Eleven 3 Final Ver. , into English. While the original game was released by Konami in November 1998, various modern patches—most notably the 2020 English Patch —have fully localized the experience for retro gaming fans. Patch Overview & Features