Adding a currency selector
If you want your customers to choose their preferred currency from a dropdown list of currencies, then you can add a currency selector to your theme.
Most themes don't include a currency selector that supports selling in multiple currencies with Shopify Payments, so you need to create one.
Update your theme (Debut) to add a currency selector
If you are using the most recent version of the Debut theme on your store, then you will automatically get a currency selector on your storefront. You can update your theme to get the latest version.
Work with an Expert to add a currency selector
If you want a custom solution to a currency selector on your storefront, then you need to work with a Shopify Expert.
Add a currency selector to your store's navigation menu
You can update your storefront to include a currency selector in the footer or main menu of your theme without needing to customize your theme code.
Edit your theme code to add a currency selector
If you want to edit your theme code so that customers can choose their currency, then you can use Shopify Liquid to create currency selectors in your storefront. This is an advanced tutorial. Edit your theme code only if you have coding experience.