Once the default Web browser regardless of platform, Internet Explorer (IE) has lost favor with Mac users, as they tend to use Apple's Safari or Mozilla's Firefox browsers. To further complicate matters, Microsoft made the unpopular decision to discontinue Internet Explorer for Mac in 2003, and purged it from its site permanently in 2006. IE is still a workable option for Web surfing, and despite the fact that its functionality diminishes every time a new security measure is enabled on websites, it retains a loyal cult following among Mac users. Click on the Download Now link once you've found a site that has IE for Mac.
Using RemoteIE To Run Internet Explorer on Mac. Until the end of 2016, it used to be possible to run Internet Explorer on Mac on OS X 10.7 Lion or above using a Microsoft tool called RemoteIE. RemoteIE allowed Mac users to access a remote or cloud version of Internet Explorer. Once upon a time, the Mac and the Internet did not always get along. Long before Safari showed up, Netscape That said, there are still a few websites stuck in the dark ages for one reason or another, requiring Internet Explorer (which has been since discontinued for the Mac) or a Windows PC.
Make sure you're downloading the latest version, 5.2.3. Double-click on the DMG file on the desktop once the download is complete. Then double-click on the installer, and follow the prompts to install the software. You'll have to enter your admin password to proceed. Don't expect to be able to get support or upgrade your IE, and once you're at version 5.2.3, you're on your own. As mentioned earlier, Microsoft has cut off all support for IE Mac, suggesting users migrate to Safari, Apple's Web browser program.