From your LangShop Admin -> open LangShop Settings -> Currencies.
To add additional currencies to your online store -> click Add at (right top corner) and select currencies from the list.
When you add new currencies, the yellow pop-up window should appear at the top of the page.
Open the link. It will redirect you to the main dashboard in the app. You will get the information about money formats that you need to edit. It’s important step to change currency formats in Shopify so that LangShop currencies will display correctly at your storefront.
Open edit money formats link which brings you to Shopify Settings -> General -> Store currency.
Click on change money formatting, copy the given span tag classes from the app to the right fields.