This configuraion controls whether buy now with paypal will be visible or not.
PayPal API user name.
PayPal API Signature.
Which logo show at PayPal, paste the link of your logo.
If user click on cancel order in PayPal, on which page user will redirect.
PayPal APi password.
Auto fill, url for notification.
If you want to test paypal via sandbox, enable it.
Fill language code for PayPal here i.e EN
Login to your paypal account.
Click on accounts