Payments are sent to you using your email address. If a payment has already been sent to you, you should have received an email notification letting you know that you've received a payment.
If you have a PayPal account, log in to your account and click Activity at the top of the page to view the details of your payment.
If you don't have a PayPal account, you can quickly sign up for one and confirm your email address to receive the payment.
As soon as you receive the payment, it goes into your PayPal balance. When you have a PayPal balance, you can either use those funds to send a payment or you can withdraw the funds to your bank account. Log in to your PayPal account and click Transfer to your bank to view your withdraw options.