Localizer code automatically switches to the user's language if that language is available.
Shopify checkout is already available in English, Spanish, Portuguese, German and French. Checkout translation only works with the Responsive Checkout.
Please follow the steps to check the currently available languages on your Shopify checkout.
1. From your Shopify admin, click Settings, then click Checkout.
2. Scroll down to the Checkout language section.
3. Your store's current checkout language is shown. Click Manage checkout language to continue.
4. Click Change Language button to see available all languages.
If the language you want to use is not available
1. Select Other languages... in the dropdown
2. Choose from the second and third drop-down menus as follows: Language drop-down: Choose a language. Region drop-down: Choose a region (if applicable), or:
- Choose All to select all regional variations.
- Click Custom to create a custom name for the version you're creating, and give it a name.
3. Click Save. You're taken to the checkout section of the language editor, where you can enter translations of your theme's checkout messages. Your changes are saved automatically.