41fb3f57__Packs_in_Win_XP_and_Win_Vista__1
[0] . [2] Windows XP allows having multiple languages on the same computer system provided the original language of OS is English. [3] Available with any language [1] 
Multiple Languages on same Installation
Creative Tester: Uncovering Myths about Globalization testing- MUI Packs in Win XP and Win Vista
1