In order to enable Klarna via WooPayments, you must first have signed up for and installed WooPayments.

You can read more about WooPayments here.

Klarna will be enabled by default when you are installing WooPayments. If you are already using WooPayments you can check that Klarna is enabled within payment methods.

If you see the notification in the image above, this means you already have Klarna enabled through another plugin. We recommend to only have Klarna enabled as a payment method through one plugin to avoid customer confusion. However, you can still use the official Klarna plugin to boost your sales further by enabling On-site messaging, Sign in with Klarna and Express Checkout.