You can translate themes to any language.  The easiest way to translate a theme is via a Translation WordPress Plugin. Check out wordpress.org for a list of translation plugins.

Our current recommendation for translating is the plugin Loco Translate

Just install Loco Translate and then you can translate your theme under “Loco Translate“.  Here is a video that shows you how to use Loco Translate:

 

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Need to support Multiple Languages?

Here are some of the Multilingual WordPress Plugins that will allow you to add multiple languages:

1. Manage multilingual posts in one post per language (e.g. WPML – paid, xili-language,  Polylang or Bogo). Translations are then linked together, indicating that one page is the translation of another.
2. Store all languages alternatives for each post in the same post (e.g. qTranslate X).
3. Manage translations on the generated page instead of using a post context (e.g. Transposh and Global Translator)
4. Plugins that direct you to external translation services (e.g. Google AJAX Translation)
5. Plugins like Multisite Language Switcher, Multilingual Press, and Zanto, link together separate WordPress network (multisite) installations for each language by pinging back and forth.