The installer sets this variable to the default language ID for the target system, in decimal notation. The language IDs are defined as per Win32 conventions; see External link Language Identifiers on the MSDN web site.


Used internally by the all installers. You can refer to it as <SystemLanguageID>. Do not set this variable manually; it is set by all installers during installation.

Related topics

ProductLanguage, UserLanguageID, System information variables