Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Aaron,
To resolve the issue, let us run the Fix it to remove Office 2013 from the computer using the following article.
http://support.microsoft.com/kb/2739501
Note: Ensure to save the Fix it tool on the desktop and then run the file.
Once the Fix it completes then you may install Office 2013 and verify the results.
To download and install Office 2013, you may login to the My Account page on Office.com with the Microsoft account you used to register or purchase.
http://office.microsoft.com/myaccount
I hope the above information helps. Let us know if you need further assistance.
Thank you.