Translate for a single language
Air theme default language is English. But it is easy to translate into another language. We recommend the free WordPress language plugin – Loco Translate. Learn how to use Loco Translate.
Website with Multi-language
To make the multi-language WordPress website, you can choose one of the plugins:
1. WPML is a popular plugin, it is not free
2. Polylang is a free plugin, but there is not the page duplication function.