try this one
Step 1 : Backup your current "texts" folder in *game folder* => res ( backup for folder "texts" )
Step 2 : Change your cilent to Japan ( China , Korea , or whatever you want but not English )
Step 3 : Replace the new texts folder in *game folder* => res , with your backup "texts" folder .
This will make you to see what is in the "box language" but also keep the cilent in English