What is 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.
— Polylang — WordPress plugin | WordPress.org
A. How to install and set up
1. Start WordPress and login to WordPress Dashboard
2. Start WordPress from Shifter Dashboard
3. Login to WordPress Dashboard by clicking [Dashboard] button
4. Navigate to Plugins menu, then click [Add New]
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5. Search “Polylang” and click [Install Now] button
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6. Activate it.
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B. Setting up Polylang plugin
1. Click [Settings]
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2. Complete initial setup
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3. We install Japanese as a sub secondary language.
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4. Media
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5. Set English is primary, Japanese secondary in this sample.
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6. You’re almost ready
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7. Scroll down to the bottom of the page, click [Return to the Dashboard]
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8. Check the language installed
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9.Check URL modifications
Navigate to [Settings] menu
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Click [Settings] under URL modifications
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URL modifications
Keep all settings default.
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10. Set Language Switcher to theme’s widget
Navigate to Appearance to Widget
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Make sure Language Switcher is added to Blog’s sidebar
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C. Make some posts and publish
1. Add some posts in both languages.
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2. Stop WordPress and generate an artifact to check ‘Language Switcher” works.
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That’s all