All Bluchic themes are translate-ready. You can translate the theme to any language your preferred. Here is a walk-through on how to translate Bluchic theme language (by default the themes are in English)
First, you must download the translation plugin: Loco Translate: https://wordpress.org/plugins/loco-translate/ Simply search and install the plugin via your dashboard (Plugins – Add New).
Go to Loco Translate – Manage translations and find your theme to add a new language
Translate each and every language available on the theme, this will make sure all the text shows on the theme become the language you choosen.
Once you translated all the text, you can save the file.
Go to Settings – General, scroll down to change the Site Language. Save Changes once you are ready to change the theme language.