Open the quote in View Mode and click the "Create invoice" button at the top right. You will be prompted to choose an invoice type: "Create deposit" (for partial payment) or "Settle balance" (to create a final invoice for the full remaining amount).
Open the quote in View Mode and click the "Create invoice" button at the top right. You will be prompted to choose an invoice type: "Create deposit" (for partial payment) or "Settle balance" (to create a final invoice for the full remaining amount).