The following steps describe how to uninstall Office products on a PC (laptop, desktop, or 2-in-1).

https://support.office.com/en-us/article/uninstall-office-from-a-pc-9dd49b83-264a-477a-8fcc-2fdf5dbf61d8?ui=en-US&rs=en-US&ad=US&fromAR=1

https://blogs.technet.microsoft.com/office_integration__sharepoint/2016/06/23/determining-your-office-version-msi-vs-c2r/

Use the Office Deployment Tool to install volume licensed editions of Visio 2016 and Project 2016

https://docs.microsoft.com/en-us/deployoffice/use-the-office-deployment-tool-to-install-volume-licensed-editions-of-visio-2016