You don't need to download and install Internet Explorer 11 in Windows 10 because it's already installed. However, Microsoft Edge is a brand-new browser that also comes with Windows 10, and what’s more, it’s your default browser. Be sure to check it out!
To find and open Internet Explorer 11, select Start , and in Search , type Internet Explorer. Select Internet Explorer (Desktop app) from the results.
If you can't find Internet Explorer on your device, you'll need to add it as a feature. Select Start > Search , and enter Windows features. Select Turn Windows features on or off from the results and make sure the box next to Internet Explorer 11 is selected. Select OK, and restart your device.