I did this for chinese. I just did it for japanese as well. Heres what you do: Using the following link by Michael Kaplan, please read it before you change your continue. http://superuser.com/questions/38781/how-can-i-use-the-chinese-ime-with-a-dvorak-layout Start > Run > type regedit > press enter (registry editor will open) Expand HKEY_LOCAL_MACHINE > Expand SYSTEM > Expand CurrentControlSet > Expand Control > Expand Keyboard Layouts > Select E0010411(japanese IME) > Export a copy for backup > Double-click Layout file > type kbddv.dll in the value data box. You may need to restart your computer. note that E0010411 is for japanese, E00E0804 is for chinese. Good luck!