There are different things related to languages:
1) See (read) Web pages or MS Word documents of different languages using Windows XP
No tune-up required for European languages and a check-mark next to "East Asia" for Japanese in Control Panel/Regional Options/Languages
2) Type (write) in other languages on a Web site or in MS Word -
one needs to add _keyboard layout_ to type say in Finnish - the steps are here (with adding Russian as an example, but it's the same for French or Finnish or Italian):
http://WinRus.com/layouts.htm
3) See other languages in the _interface_ (menus, dialogs) of a PROGRAM - such as a game or whatever. For example, you can see menus in Russian of a Russian game but can not see (just gibberish) German letters in the menu of a German program.
Then you can use free MS program called Applocale and here is the information:
- in Russian: http://WinRus.com/full_r.htm#App
- in English: http://WinRus.com/full_e.htm#App
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