The original Winning Eleven 10 was released primarily in Japanese. To play in English, you will need to either download a pre-patched "English Version" ISO or apply a translation patch. This guide assumes you are looking for the English experience.
Are you planning to play on a or an emulator like PPSSPP? PSP Cult - How to add games to your CFW PSP winning eleven 10 psp iso english install
Select the English .ppf or .xdelta file in the "Patch" field. Important Note: The original Winning Eleven 10 was