Step 1

Open the Layout/theme.liquid file in your shopify theme editor and search for {% include 'customer-links' %} :

Step 2

Add the following snippet right before the {% include 'customer-links' %} line:

<li class="fr">{% include 'ly-languages-switcher' %}</li>

Step 3

Open the Assets/styles.scss.liquid file and add the following line to the very bottom of the file:

#ly-languages-switcher {

  margin-top: 15px;

}