How to use Multiple language in wordpress Using Polylang
What is Multilingual Language WordPress Plugin
A multilanguage plugin is a great way to translate your WordPress website to other languages. Add the translated content to pages, posts, widgets, menus, custom post types, taxonomies, etc. Let your visitors switch languages and browse content in their language.
Polylang
Polylang allows you to create a bilingual or multilingual WordPress site. You write posts, pages and create categories and post tags as usual, and then define the language for each of them. The translation of a post, whether it is in the default language or not, is optional.
Why Polylang Is Important
You can use as many languages as you want. RTL language scripts are supported. WordPress language packs are automatically downloaded and updated.
You can translate posts, pages, media, categories, post tags, menus, widgets…
Custom post types, custom taxonomies, sticky posts, and post formats, RSS feeds and all default WordPress widgets are supported.
The language is either set by the content or by the language code in the URL, or you can use one different subdomain or domain per language.