Your step-by-step guide:
Select 'Payments and transfers' from the left-hand menu
Under the 'Make a payment or transfer' heading select 'Manage payees'
Click on the 'Add Payee' button
Type in the name of the person or company (Up to 18 characters. Acceptable special characters are '/', '&' and '-')
Type in their bank account number and sort code (if you're paying a company, the information might auto populate when you type in the company name)
Type in a reference - this should be something to help identify the payee recognise who the payment is from (Up to 18 characters. Acceptable special characters are '/', '&' and '-'.) then click 'next'
Check the details you've entered and authorise with your card-reader
Once authorised, your new payee will be added
Online Banking available to customers aged 11+ with a NatWest account.