You can put through an order without creating an acount.
If you do create an account you will be able to:
Log into our site to check your order status.
Have your details saved for future purchases. (You can be assured we do not store credit card information. We do not take recurring payments. You enter card details again if you re-order)
If this information is in a popup window you can close it and go back to your checkout. Otherwise press your browser back button to return to your details.