PayPal is a service that enables you to pay, send money, and accept payments without revealing your financial details. When paying by PayPal, you will be taken to their secure website that will begin with https://www.paypal.com. Once there, you may change quantities if you need to add extra seats. Simply change the quantity as seen below and select Update.
You may now log in with your PayPal account. If you do not have an account, you may create one or check out as a guest. To check out as a guest, simply select Pay with a debit card or credit card, or PayPal Credit.