You can also buy an inexpensive "language pack" that allows you to switch the
ribbon and dialog boxes to Japanese. The language pack also comes with
proofing tools such as a spell-checker.
This site has more information about language packs:
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.