SystemLanguageID
Description
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 
Language
Identifiers on the MSDN web site.
Usage
| Usage |
| How to set |
Do not set this variable manually; it is set by all installers during
installation. |
| How to use |
Used internally by the all installers. You can refer to it as <SystemLanguageID>
(Tarma native syntax, preferred) or
[SystemLanguageID] (Windows Installer syntax). |