If you want to add a new Currency to your OpenCart e-cart System, follow the steps given below.
1. Login to the Admin Console
2. Goto Systems > Localization > Currencies
3. Click on Insert to add the new Currency.
4. Fill in the following details, Currency Title, Currency Code, Symbol, Decimal Places, and Status and Save.
5. Now when you see the e-cart user page, you will be able to see the new Currency that you just added.