Internet Explorer 7.0 (x86) IA-64 Bit edition is a web browser developed by Microsoft Inc, available for download in full install version for Windows platforms from legacy sources. This version of Internet Explorer was officially released on 2007-10-04 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

It took more than 5 years for Microsoft to release a major update of its browser and Internet Explorer 7.0 was released with 3 variants of Windows including IA-32, IA-64, and x64 Bit. This version dropped support for all operating systems prior to Windows XP.

Internet explorer 7.0 has improved rendering engine and updated security framework.There are many new functionalities introduce in this edition including integrated search box, tabbed browsing, page zooming and a feed reader. 

Though IE 7.0 has better support for web standards compared to its previous editions, it still way behind other competitive browsers on adhering to W3 compliance. 

On the security improvements inclusion of phishing filter, stronger encryption and ability to clear browsing history.