FIRST, be sure you did not order a preorder item (see preorders)
SECONDLY, Did you receive your Order Confirmation email?
NO, you did NOT receive an Order Confirmation email, then please check your spam/junk folder. If you cannot find your Order Confirmation please make sure your order went through. You can log into your account to check the status of your order.
YES, you did received an Order Confirmation email, but not a Shipping Confirmation email yet, then it is most likely not shipped yet. You can log into your account to check the status of your order.