As explained in our support article Can Aarcade customise my Big Cartel theme?, Aarcade does not provide any installation or customisation services.
The Aarcade theme install tool is designed to allow you to easily install and upgrade your theme at any time, regardless of your web experience. The install tool and this support site are designed to help you learn how to use the powerful tools we have created for you, to give you maximum freedom and flexibility for the future.
Although we do not install and customise for you, we are always here to help you achieve the results you desire. To get personal assistance, simply contact Aarcade Support.
For more information, refer to Do I need web experience?