1) How to pay with PAYPAL : To pay with PayPal simply click 'PayPal' on the check out page and log in with your PayPal details.

2) How to pay with Debit / Credit card : To pay with a debit or credit card simply click PayPal on the checkout page (YOU DON'T NEED A PAYPAL ACCOUNT DO THIS) You should see two options, you should click on 'Pay with a debit or credit card'   As per the image below where the arrow is pointing.