To add a PayPal payment method on your online store:

1. Go to the left panel:
   1. Click on Site Settings
   2. Click on the Payment Options sub tab
      
      
2. You will be directed to the next page:
   1. Choose YES in the Enable PayPal toggle button
   2. Enter your email address in the Merchant Email field
      
      
3. Click Save

Take note that this payment method can be used by your customers even if they do not have a PayPal account, as this payment gateway allows payment using credit or debit card: