To run it in IE11 you need to turn on 'compatibility view', see how to do it
To turn on Compatibility View
1.See if the Compatibility View button Compatibility View button appears in the address bar. (If you don't see the button, there's no need to turn on Compatibility View.)
2.Click the Compatibility View button Compatibility View button to display the site in Compatibility View.
Once you turn on Compatibility View, Internet Explorer will automatically show that site in Compatibility View each time you visit. You can turn it off by clicking the button Compatibility View button again. Or, you can clear the entire list of sites using Compatibility View by deleting your browsing history.
To clear the list of Compatibility View sites
1.Click the Internet Explorer icon on the taskbar to open Internet Explorer.
2.Click the Tools button Tools button, and then click Internet options.
3.Under Browsing history, click Delete.
4.In the Delete Browsing History dialog box, select the History check box, and then tap or click Delete.
Editor, DotNetSpider MVM
Microsoft MVP 2014 [ASP.NET/IIS]