All right... just do it differently.
Uninstall the whole Office and clean everything. Registry etc...
Download the
You must be registered for see links
app, which is portable, and download the last version of Office you want (You can choose language, version, channel, engine etc...), once you downloaded, install Office using OTool too. (You can even select which components of Office you want to install).
Run KMSTools.exe (as administrator) and choose "Office 2019 Install", go to the "Utilities" tab and click "Office RETAIL =>VL", after it finishes, click "Activate Office".
Done.