Ensure your Winning_Eleven_10_JPN.iso file is on your PC desktop. Right-click the file > Properties. Confirm the size is approximately (uncompressed). If it is 300MB, it is a "Rip" (missing commentary), which we do not want.
Installing an English-patched version of Winning Eleven 10 on the PSP requires a clean ISO, a fan-made translation patch, a patching utility, and a custom-firmware-enabled handheld. While technically straightforward, users must respect copyright laws by only modifying their own UMD dumps. The result is a fully playable English-language version of one of the most acclaimed football games on the PSP. winning eleven 10 psp iso english install