You can receive payments via Stripe or PayPal. You can choose which method you would like to use during the installation process.
If you would like to setup payments after you have completed installation, you can do so in the config file.
Here are the settings you need to change for each service. Only update the values for the service you are using
If you choose stripe you will also need to set the following config valuesStripe Secret Key: your stripe secret key
If you choose paypal you will also need to set the following config valuesEnable Payment Test Mode: false;
Be sure to Enable Payment Test Mode to false when you are ready to go live, otherwise you will not be able to collect payments