1) How to create a shortcut depending on the language?
2) How to install the file, depending on the language?
You must sutsnovit program supports two languages English and Russian.
During installation, depending on the chosen language must create a shortcut to the manual (documentation). Shortcuts name must be in the selected language.
Or create a link, depending on the language.
More would be good to establish a file with documentation only in the selected language.