Use the billing currency setting to select the currency format and symbol that your customers see. When your customer makes a payment, the currency format and symbol will match the currency they are being charged in.
Click on your user avatar and choose Settings
Click Sales settings
Select the desired currency from the drop down
Your new default currency will be applied to all of your billing, payments and invoices
Keap Academy
For more on this topic, check out this training from Keap Academy. Learn at your own-pace as experts walkthrough the set up and application of these features with context and strategic insight.