Is there a way to force IE11 default Document mode to Edge - Also interesting: when I use another computer and just enable Compatibility View for a site, the User Agent string becomes this: Mozilla/4.0 (compatible MSIE 7.0 .Ie11 Change User Agent. How can I permanently change IEs user agent string?shameful bump. Anyone know how to edit the default user agent string in IE11? The IE 11 browser has changed the User Agent String to ? Mozilla/5.0 (Windows NT 6.3 Trident/7.0 rv 11.0) like Gecko ?.There is any way of changing the default user-agent string for this ROM? Here you have 2 screenshots, the first How to set IE11 default emulating Core.