Modify the interface language
If you want to change the language, follow these steps:
- Download your language translation from http://joomlacode.org/gf/project/jtranslation3_x/frs/ (for Joomla! 3.x).
- Go to “Extensions -> Manage -> Install” in the administration panel and upload the package.
- Go to “Extensions -> Languages -> Installed” and set the newly-installed language as the default for the Site and for the Administration panel.