The thing is that unlike Registry Editor, which offers direct search, there is no search in Group Policy Editor. You cannot press Ctrl + F and start typing and search what you were looking for.
Group Policy tools use Administrative template files to populate policy settings in the user interface. This allows administrators to manage registry-based policy settings. News and Interest ADMX ...
If you don't have either of those (i.e., if you have Windows 11 Home), scroll down to the "Disable Copilot using the Windows ...