How to add bank account details and change language to portugueses (I’m in Brazil)

In February I’ve received 3 reservations, but was only received the payment from the last reservation. Now I have a message from booking charging me the

Hi everyone, My property is in South Africa and, due to increased security measures, I can not charge the credit card without the guest approving it on their

Hye , good morning , where can i update my account number to received payment ?