You can continue to make your purchase using your Credit Card or Debit Card as normal, just proceed with one of the following methods.
Your financial institution/bank will make the conversion from your default currency to USD as per your bank's exchange rate on the day of the purchase. Your Credit Card or Debit Card statement may show a different purchase amount based on your default currency and any fees that your bank charges you for a conversion.
You can change the currency from USD to your local on payment gateway. The final amount in different currency includes conversions and exchange rates fees.
The NWExam.com displays the price in USD only and it does not include any other currency or current exchange rate.