Open Edge and click the three dots in the upper right corner then Settings

 

 

Then default browser

 

 

Under “Allow sites to be reloaded into Internet Explorer mode” select Allow

 

Then hit the Restart button that appears

 

Reload the tab in IE mode by right clicking the tab.

 

 

You can select “Open this page in Internet Explorer mode next time” to have it always open in IE mode but it only appears to last one month and then must be selected again.