How can I display Paypal, credit and debit card payment options on my product page?

[PaulFang]

How to show the Paypal -credit card & decit card payment button in my product page?  My store theme is Refresh! Can you guys can help me to solve this issue? Thank you !

The first picture below is what I want to achieve! The second picture below is the current situation of my store, there is no credit card & debit card payment button!

ps: My store theme is Refresh! And there is no cart-template.liquid or cart.liquid or  product-template.liquid file!