Here is a complete list of Language Interface Packs or LIPs available for for download, for Windows 7 & Windows Vista.
You can download and install additional languages to view Windows menus, dialog boxes, and other user interface items in your preferred language. Additional languages will work only with a genuine copy of Windows.
Some languages are installed from the Microsoft Download Center, and some are installed using Windows Update. In addition, some languages require a premium edition of Windows or a particular parent language. For more information, see How do I get additional display languages?
Language Packs. If you’re running the Ultimate or Enterprise edition of Windows, you can download any of the 33 available language packs by using Windows Update. Language packs provide a translated version of Windows dialog boxes, menu items, and help content.
Language Interface Packs (LIPs). LIPs can be installed over any edition of Windows and provide a translated version of only the most common dialog boxes, menu items, and help content. You can download LIPs from the Microsoft Download Center by using the links below. To install a LIP, you will need to have the required parent language installed on your PC. Check back there for updates!
Visit Microsoft to see the full list of Language Interface Packs (LIPs) for Windows 7 & Windows Vista, which are available for download.