If you're having issues with how to checkout follow these simply steps.

Navigate to the product page of the product you wish to purchase and select the quantity. Then select add to cart.

You will now notice a number next to your cart symbol in the top bar indicating the products you have in your shopping cart.

Click the the cart and an overview of your cart will appear.

If you're ready to check out simply click view cart to continue to the cart page.

Review your cart then click checkout.

You will be taken to the checkout page. Shown at the top are express checkout options which can automate your checkout experience. If you do not wish to use one of these options simply pass this section and fill in your shipping information in then click the "continue to shipping" button.

Select your shipping method then click the "continue to payment" button.

You now can select the payment method you wish to use to checkout with. The credit cart option is the default field select however you have a range of options below this. Simply select the radio button of the payment option you would like to use and fill in the information required.

Confirm your billing address. If you require the billing address to differ than the shipping address simply select the second option and input the new billing address. Once complete simply click the "Pay now" button and you will complete the checkout process.