You can use default prestashop translation: http://www.prestashop.com/en/translations
Extract downloaded package and change theme name from “default-bootstrap” to “warehouse” and then upload it on ftp
Login to your back-office and go to “ localization ” → “ Translations ”.
1. Warehouse Theme Translation
- select front office Translation
- select warehouse
- than click to language flag.
2. Installed Module
- Select installed Module translations
- Select warehouse(for blocklayered_mod module select core(not theme)
- Select language and click modify button
*Product sliders module, you have to translate product-slider.tpl(follow 1. Warehouse Theme Translation)