Drupal : Change the installation language

Here are the steps to follow when you want to translate the installation interface of drupal.

1- Download the language package from http://drupal.org/project/translations.

2- Copy from the extracted folder of the translation package (french in my case) the 'translations' folder "fr-6.x-1.0\profiles\default\translations" .

3- Paste the folder in "mydrupal\profiles\default".

4- Go and select your language on the installation page.

and here are the installation screens.