The page MUI is a short article on something that should have a lot more information written on it.
If you know anything else about it, you are STRONGLY encouraged to add the information in. If you are unsure of proper formatting or style, add it to the talk page or this page itself as you think best and others will help.
Multilingual User Interface (commonly referred to as MUI) is a Microsoft technology for internationalization and localization. As of September 2010 an MUI implementation is not planned for ReactOS, though Edison Andreassy has expressed interest in developing MUI for ReactOS.