Hello,
To make site multilanguage, you need to use one of the additional plugins:
1) WPML(paid) https://xstore.helpscoutdocs.com/article/31-translation-with-wpml
2) qTranslate(free)
3) Polylang(free with paid extra options)
If you want to translate the site to one language – Loco translate plugin.
This text https://i.imgur.com/CKKDYdQ.jpg can be changed via Theme options > Header builder > Cart – https://prnt.sc/vam53m
Regards