How to set Payment Gateway for the Product?

Step1: Go the 'Products' toolbar at the left toolbar of your page.

Step2: Select the 'PROCESSORS' tab as indicated in the image below:

Step3: Click on the 'SET UP PAYMENT PROCESSOR' button.

Step4: Choose the payment processor and click on the 'SAVE PAYMENT PROCESSOR' button.

Step5: Click on the 'SAVE& NEXT' button.