There are 2 ways to sign up for Paypal.
1. Click on ‘Sign up’ button on the Paypal main page. ( For payment, you should register credit card, or debit card, or other means of payment after you sign up. )
2. Select an option ‘Sign up for Paypal for faster future checkout’ to sign up simultaneously when you make payment on Paypal.
For more information, please refer to sign-up instructions on service instruction page.