Joomla 3.x - How to create a multilingual site in 6 steps
У вашего броузера проблема в совместимости с HTML5
1. Install Languages
2. Create a new content language with unique parameters
3. Enable Language Filter
4. Create a language switcher module
5. Create a menu for every installed language and leave one additional for both languages
6. Create a menu module for the new language
Download free Joomla Templates here: https://warptheme.com/