You do not like the product and want to downgrade to a previous version or uninstall the suite permanently.
The apps are not working correctly, and you are trying to reinstall the software to fix issues. Perhaps, you are trying to free up a license of Office from Microsoft 365 (formerly Office 365), Office 2019, or Office 2016 for another device.
After installing the suite of Office apps on Windows 10, you may have many reasons to uninstall them.