If you know that it was Microsoft that created the first version of Internet Explorer, you are wrong. Microsoft bought it from a small time software company named Spyglass. Later, the browser went through several improvements in both UI and security areas.
IE has been the most controversial browser till date. In its early days, Internet Explorer had a monopoly in the market as it was being offered as a component with Windows. It is still a part of Standard Windows package. The ones sold in European Union are the only ones that do not carry Internet Explorer. People using European version of Windows 7 have to install the browser separately.
This guide to Internet Explorer takes you through a tour that tells you the basics of the browser and then helps you with troubleshooting the common problems.