How To install a Multilingual User Interface Pack (MUI) ?
• Go to Start Menu –> Control Panel. • Choose Clock –> Language –> Region option. In classic view, click on Regional and Language Options icon. • Then click on Install or uninstall display languages under “Regional and Language Options”. In classic view, click on Keyboards and Languages tab and finally click on Install/uninstall languages under “Display language”.Note that the “Display language” section will be visible only on Windows Vista Ultimate and Enterprise editions that support Multilingual User Interface (MUI) Packs or only if windows Vista language Interface Packs (LIPs) are already installed. • When the language pack installer prompts you with User Account Control (UAC) dialog, enter administrator password and click on Continue • In the Language Packs Installation and Uninstallation wizard, click on Install languages • Browse to the folder that contains the language pack files. The language pack file should have a .cab extension.Typically the language pack files are named as