Hi
Thank you so much for contacting us!
As for translation issue is concerned you can get help by going to following mentioned URL.
https://www.8theme.com/documentation/xstore/theme-translation/base-theme-translation/
Related posts, Continue reading, Leave a reply, Comment – should be available for translation for XStore theme.
Follow this article https://www.8theme.com/documentation/xstore/theme-translation/translation-files-update/ to update the translation files.