Internet Explorer 7 MultiLanguage User Interface (MUI) has been designed to make everyday tasks easier, provide dynamic security protection and improve the development platform and manageability. End user improvements include a streamlined interface, tabbed browsing, printing advances, improved search functionality, instant feeds (RSS), dynamic security protection, and more. When installed on the English version of Windows, MUI allows the user interface language of the browser to be changed according to the preferences of individual users to one of the following supported languages: Arabic, Bulgarian, Chinese (Simplified), Chinese (Traditional), Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Lithuanian, Latvian, Norwegian, Polish, Portuguese (Brazil), Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish.

Windows XP SP2
Windows Server 2003 SP1
Windows 64 bit Client/Server
Windows Server 2003 ia64