You need to click on Start chat or Request a call option to talk to representative who will be able to assist you regarding the Office 2013 and other related information. Office 365 Home Premium -> Billing and Payments-> Getting a refund. Once you are in the window, under Products select Getting Help and click on Contact Customer Support. If you need a refund for Office 2013 and purchase Office on Mac, then. You may refer to the following link on more information: You will need to purchase Office 2011 which is compatible with Mac. I am afraid but Office 2013 suite is not designed to run on Mac Computers. Welcome to Microsoft Office Community and thanks for posting the question.
