Unfortunately, it is not possible to change the currency in which your trading account is held. However, you can have up to 4 trading accounts in different currencies.
In order to open an additional account in a different currency go to the Client office - My account tab and in the upper right corner click on the "Add account" button.
For non EU/UK residents who have an account with XTB International, we only offer USD trading account.
If you still need help with your question,