Hello there, @CrazyAccountz!
Karlie here from the Shopify Guru Team! What you can do is find the country that you're selling from in our payment gateway list to see what payment gateways are available to you. If you're looking to sell a specific product-type then I would recommend checking out authorize.net or 2checkout if those payment gateways are available to your country.
Once you've found a payment gateway that works for you and your business idea, you can then active that third-party payment gateway.
To activate a third-party payment gateway:
I hope this has answered your question. If not, or if you have any further questions please let me know. I will be happy to help!