https://support.microsoft.com/en-us/topic/focus-based-menus-do-not-work-as-expected-with-touch-in-the-immersive-mode-of-internet-explorer-11-25f01426-e0ff-17f5-de52-aa6218bf9ebd
Fixes an issue in which focus switches to an incorrect element when you touch a focus-based menu in the immersive mode of Internet Explorer 11.
do notfocusbasedmenuswork
https://support.microsoft.com/en-us/office/display-a-classic-sharepoint-site-in-internet-explorer-10-document-mode-4b4572b7-9223-45ec-8497-557a643da12a
Learn how to display a classic SharePoint Online site in Internet Explorer 10 document mode.
internet explorerdisplayclassicsharepointsite
https://support.microsoft.com/en-us/microsoft-edge/internet-explorer-mode-in-microsoft-edge-6604162f-e38a-48b2-acd2-682dbac6f0de
Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft...
internet explorer modemicrosoft edgesupport