Hello,
1) Translation of the theme – https://xstore.helpscoutdocs.com/article/30-base-theme-translation
WooCommerce – https://docs.woocommerce.com/document/woocommerce-localization/ Do not forget about Core plugin. Loco translate > Plugins > XStore Core > New language > Choose a language + Choose a location – System > Start translating.
Theme Options > Header builder > Cart / Wishlist / Account > change titles.
2) Theme Options > Header builder > Header overlap > disable the overlap
3) Provide URL and temporary wp-admin access. Create an account via Dashboard (Users > Add new) with administrator role http://prntscr.com/s3rc9m > provide us with username and password via the Private Content area http://prntscr.com/s5mao7 You can use any email for it.
Regards