1. To install language package, please go to Extension -> Manage, install it as normal Joomla extension
2. The language packages are contributed by Event Booking community. Most of the packages are still incomplete. To install the missing language items, go to Events Booking -> Translation and translate it
3. If you want to share the language package back to us, please access to Tools -> Share Tranlation menu option in Events Booking
4. To use Events Booking in a none English language, you will have to translate other parts (custom fields, email messages) as well. See http://eventbookingdoc.joomservices.com/basic-setup/Translation#using-events-booking-in-none-english-language-file
