You can't.

MS stopped support in 2005 for Internet Explorer.

Spelling dictionaries for Internet Explorer 11 Release Preview. Internet Explorer 11 Release Preview brings the 'best in class' spelling engine and dictionaries used by Microsoft to the browser. Internet Explorer 11 Release Preview also supports autocorrection or 'correction-while-you-type'. Searching “Internet Explorer for Mac” on Google might have brought up a few websites claiming to deliver the Windows 10 browser on your Mac.Spoiler alert. It’s a sham.

If you were running a virtual machine with Windows could you download Explorer for your Mac.

Mac doesn't come with the Internet Explorer you are used to on windows. And when you search for internet explorer 11 for mac on the internet, you don't see any corresponding results. The thing is, Apple introduced its own proprietary browser known as Safari back in 2003 and Microsoft decided to end its development for Mac shortly after that.

Download Internet Explorer Version 11 For Mac

If you are looking for browsers for the Mac besides Safari, consider Firefox, Brave, Opera, or Sea Monkey.

Download Internet Explorer 11 For Windows 10

I just searched and saw this article, it might be of help

If you are trying to reach a particular website that calls for IE, go into Preferences in Safari, go to Develop menu, select User Agent and select Internet Explorer 11. See if the website that you are trying to reach handles that.