In this tutorial, I will explain you, How to Add a New Language in your PrestaShop Store.

To add a language to PrestaShop, follow these steps:
Step 1. Log into your PrestaShop 1.7 Back-Office
Step 2. Under Add / Update a language, Select a language you want to add from the drop-down list
Step 3. Click the Add or update a language button. PrestaShop adds the language to your site. PrestaShop will add the language to your store.

Add-Update language
Step 4. To view all languages that are currently installed on your store, navigate to Localization > Languages.

Languages list PrestaShop
That’s all. Enjoy PrestaShop 1.7!