To change the shipping information, click on the cart icon and select the cart you want to change. Click on the "Edit cart info" button. Click on "Change" to enter a new shipping to address or click on "Address Book" to choose an address you have saved. You can change the address by typing the new one in or using the Copy/Paste feature at the bottom of the page. (Check the box if you would like to save the address to your address book for future use.) Next, click on the yellow "Use this address" button. Verify the shipping address is correct then just click on the yellow "Update" button to save your changes to the cart.