How to translate a theme after adding a new default language?

After adding the Purity theme and changing the default language to the new language, but the theme is still not automatically translated, you can follow these steps.

Step 1: Install the Translate & Adapt app by Shopify

Step 2: Settings -> Languages -> Change Default -> Change any default language

Because Translate & Adapt application cannot translate language when set to default

Step 3: After changing the default language, your previous language will be deleted, please add the default language you want to translate again.

Step 4: Go to apps -> select app Translate & Adap

Step 5: In the application, select the language you want to translate and click Auto-translate.

Step 6: After successful translation go to Settings -> Languages -> change Default , set the translated language to the default language.

If you see a warning like the one below, ignore it and save your changes.