When you finish browsing the Internet using the compatibility mode, click that button again. Microsoft Edge will automatically switch to Internet Explorer mode. The online services listed below make it possible for you to test how your site will display in dozens of web browsers on four different operating systems (and all you need is one. Now, you can open any web page you want to reload in the IE mode and then click the button with an IE logo. The same web page shown above, displayed in Internet Explorer 6 If you don’t have all the possible browsers available installed on your computer, don’t worry.