How to add more currencies to your Shopify store
Using multi currencies to increase sales and expand your business into new markets
To display a currency dropdown as in the image above in your store, check out the following steps:
Step 1: In the Shopify Admin, navigate to Settings.
Step 3: Choose Add countries/ regions and select the countries/ regions you want.
Step 4: Hit Save when you're finished.
The country/region option shows on Header or Footer of the theme. Therefore, you need to enable country/region selector.