Choose A Payment Method - when the "Pay with Zoho" option is selected, the checkout process for the User will direct them to make payments via the payment gateway already integrated with the Zoho Finance suite. Select the matching payment gateway and hit Save at the bottom right.
If you have a Stripe account that you would like to integrate directly with the plugin, use the "Pay with Stripe" option and input the Publishable key and Secret key and hit Save.