Our theme supports all languages we have given .po files in theme language folder for translation so you just need a language translator plugin for this purpose like Loco Translate, Poeditor or WPML etc. Please check below link & follow steps in it your requirement will be resolved.
https://thethemefoundry.com/blog/translate-a-wordpress-theme/
https://localise.biz/help/wordpress/translate-plugin/beginners