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Step 1
Click on the "Start" menu in Windows XP. Select "Control Panel" and then "Regional and Language Options."
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Step 2
Select the "Regional Options" tab, locate "Standards and Formats" and select "Japanese" from the dropdown box.
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Step 3
Move to the "Languages" tab. Check "Install files for East Asian Languages."
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Step 4
Locate the "Advanced" tab and select "Japanese" under "Language for non-Unicode programs."
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Step 5
Return to the "Languages" tab and click "Details." Under "Installed Services" click "Add." Select "Japanese" and click "OK."
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Step 6
Select "Apply" on all windows.
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Step 7
Visit Firefox's official website. Download the Japanese version of Firefox and install it so that Firefox's native menus and interfaces appear in Japanese characters, too.










