Some tips on using Credit cards.
You do NOT need a PayPal account.
You can use any major credit card. When you select the "Pay Online" button you will get a screen like this. To choose a credit card click the "Pay with debit or credit card"
This will bring up another screen like this:
Click on the tab for the type of card you want to use, Debit, Credit or PayPal. That will take you to the appropriate credit card payment page.