This is a third-party tool that allows you to install multiple versions of Internet Explorer on a single machine for testing purposes, though it is not strictly "portable." 20 May 2008 —

Because Internet Explorer was deeply integrated into Windows, creating a truly portable version of IE8 is technically complex. It is not officially supported by Microsoft. You generally have two paths to achieve this:

Finding a formal academic "paper" on a "portable full" version of Internet Explorer 8 is difficult because these versions were typically unofficial, community-made "thinapp" or "portable" packages rather than official Microsoft releases.

Before downloading Internet Explorer 8 Portable Full, ensure you're aware of the potential security risks. Microsoft no longer supports IE8, which means it does not receive security updates, making it vulnerable to known exploits.

Online services that allow you to test websites in virtualized old browsers.

When IE8 was launched, it introduced several groundbreaking features for the Windows ecosystem, which are preserved in the portable full version:

If you absolutely need Internet Explorer, IE11 is newer, more secure, and still partially supported in Windows 10/11 (though Microsoft strongly advises moving to Edge). However, IE11 is also being phased out.

For scenarios where you need to access older web applications, consider safer alternatives:

If you are trying to solve a specific compatibility issue, let me know: What are you currently running?