You willl need to remove the licence that you currently have on your machine with this tool https://go.microsoft.com/fwlink/?linkid=849815 if you are comfortable doing this on your own follow the prompts after clicking on the link. You will then need to open a office program and sign in with your UF email.  If you are not comfortable doing this we will be happy to assist you at the Knowledge bar in Shafer Library or over the phone at 419-434-4357.