Computer Configuration > Administrative Templates > Microsoft Edge
Both
HKLM\Software\Policies\Microsoft\Edge
For guidance about configuring the optimal experience for Internet Explorer mode see https://go.microsoft.com/fwlink/?linkid=2094210 Policy options mapping: * None (0) = None * IEMode (1) = Internet Explorer mode * NeedIE (2) = Internet Explorer 11 Use the preceding information when configuring this policy.