You can add different langauges that your installer will be available in. The order lsited here will be the order shown to the user, with the first language pre-selected.

The name of the language you wish to add.

Use Flags
Specifies if next to each language you want a flag for the main country that uses the language.

Language Display Type
Default - Will display the languages in the language of the user's VM.
ISO3 - Will display the languages in ISO 639-2:1998 code
Native - Will display the language in the language itself (ie. English, Français, Español, etc.)