IE actually offers excellent language support. Have you already downloaded all necessary language support components? if you open your IE browser, select "Tools" and head for the "Windows Update". Just check all Japanese language tools and start the download.
Basically, IE offers the following Japanese language encoding (select "View" > "Encoding"):
Here some excerpts from Microsoft's support pages:
Processing Japanese characters on non-Japanese systems: this is a brief overview on how to input Japanese characters under Windows and Macintosh OSX. Japanese Input under Windows Vista and Windows 7 Japanese Input under Windows 8 Japanese Input...
Originally posted by Koji
Hi, to view Kanji, Hiragana, and Katakana you can go online to a site , www.kanjisite.com to learn to read and write in Japanese . It is the program I am using and I highly recommend it !