Multilingual User Interface (MUI) Packs for Windows 7 RTM released by Microsoft on 25th of August, 2009 is available for customers who are running Windows 7 Ultimate. The Windows 7 language packs can be installed only from the Optional Updates section on the Windows Update site. These languages packs are not available on the Microsoft Windows Server Update Services Website or through the Microsoft Download Center.

You can change the interface language of Windows 7 Ultimate after installing the language pack. Language packs also let multiple users who share a computer select distinct display languages. Windows 7 MUI Packs can be deployed as any other Windows 7 Update for installation. Whenever you decide to uninstall MUI Pack Just click Control Panel Programs and then click uninstall.

Whenever you want to change the display language of Windows 7 simply open the Start menu and type change display language in the Start Search box and press Enter. In the Region and Language dialog box under Display language select install/uninstall languages. Then you will be permitted to select the language you want from a drop-down list.

It is suggested that you must add only a language pack to your computer if you use language pack. Installation of many languages can affect the disk space and system performance.