Navigate to Currencies > Rates, and click +Create in the upper-right corner of the Rates screen.
In the invoked window, fill in the following fields:
From the From currencies and To currencies drop-down lists, select the currencies for which you want to configure exchange rates.
From the Provider drop-down list, select a provider of currency exchange rates that you want to use.
In the Name field, type a name for your exchange rate configuration.