Please install Polylang plugin. Check the docs for the details.

https://ineedtodownload.com/wp-sitemap-posts-post-1.xmlhttps://ineedtodownload.com/wp-sitemap-posts-page-1.xmlhttps://ineedtodownload.com/wp-sitemap-taxonomies-category-1.xmlhttps://ineedtodownload.com/wp-sitemap-users-1.xml