Internet Explorer is a Browser software developed by Microsoft Corporation. After our trial and test, the software is proved to be official, secure and free. Here is the official description for Internet Explorer:

BS Editor: Microsoft Internet Explorer 5.5 introduces powerful new features while retaining the superior performance and stability of Internet Explorer 5. The new Internet Explorer 5.5 features include:
An Enhanced HTML and components HTC model that uses element behaviors and Viewlink.
More control over user interface (UI) components, such as scroll bars, frames, and pop-up windows and menus.
Improved rendering and layout Interfaces for binary behaviors.
More Cascading Style Sheets (CSS) styles, such as the first-letter and first-line Pseudo-elements.
Vertical text, made possible by using the writingMode property.
Enhanced HTML+TIME (Timed Interactive Multimedia Extensions) support.
Print Preview.
New HTML editing features.