Polylang Pro is the most popular multilingual plugin available on the WordPress directory. You write your posts, pages and create categories and post tags as

Polylang Pro Plugin WordPress Features

• Translate posts, pages, media, categories, tags
• Translate Custom post types and custom taxonomies
• Translate menus and widgets
• Use subdirectories, subdomains or separate domains
• WPML API compatibility
• Translations can share the same slug in the URL
• Translate slugs in URLS
• Duplicate the content when creating a translation
• Enable or disable languages.
• Translate posts, pages, media, categories, tags
• Translate Custom post types and custom taxonomies
• Translate menus and widgets
• Use subdirectories, subdomains or separate domains
• WPML API compatibility
• Translations can share the same slug in the URL
• Translate slugs in URLS
• Duplicate posts across languages
• Enable or disable languages
• REST API Support
• Additional integration with plugins