Prior to starting the localization package installation process, make sure that you have administrator's rights on the computer where you are going to install a localization package.
To install a localization package:
.msi) to a server where Plesk Sitebuilder 4.1 for Windows is installed.After the installation process is completed, the newly installed localization package appears in the list of available languages in the Plesk Sitebuilder Administrator Panel (Server > Languages).