Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Euro,
Welcome to Microsoft community and thank you for posting the question.
As per the description provided, it looks like you are having issues with installing Office Professional Plus 2013.
Let us follow these steps and check if it helps in resolving the issue with installing Office 2013:
To resolve the issue, let us run the Fix it from the following article to remove traces of Office 2013 from the system.
http://support.microsoft.com/kb/2739501
Once the Fix it completes then you may install Office 2013 and verify the results.
Follow the steps and let us know if that helps. If the issue persists, reply and we will be happy to help you.
Thank You