PayPal Express Checkout payment service provider is
integrated into the Sana Commerce solution. Therefore, there is no
need to install it, but only to configure.
The customers use the PayPal
Express Checkout payment provider to make purchases via their
Credit card transactions are not supported by this payment
provider. If you want to use credit card transactions via PayPal,
you need to use the PayPal
Payflow Link payment provider. It is possible to enable both
providers side by side.