How to uninstall the Cortana app on Windows 10
https://www.bleepingcomputer.com/news/microsoft/how-to-uninstall-cortana-on-windows-10-2004/
Microsoft's digital assistant Cortana is evolving and it's here to stay, but it's no secret that many Windows 10 users aren't really big fans of Cortana.
Starting with the release of Windows 10 May 2020 Update, Cortana is now a standalone app and it's no longer an integral part of the platform.