Editing the .msi or using compatibility mode will fail or brick your Windows installation.
However, if you need IE8 for legacy web applications or testing, you can use these official and community-tested workarounds: 1. Microsoft Edge "IE Mode" (Recommended) Microsoft provides Internet Explorer mode install ie8 on windows 10
A VM runs a complete older version of Windows (e.g., Windows 7, Windows Vista, or even Windows XP) inside your Windows 10 desktop. Inside that VM, you can install IE8 natively. Editing the
The Internet Explorer desktop application was retired by on June 15, 2022. Because Windows 10 was built to run Internet Explorer 11 natively, attempts to install the older IE8 version will fail as the system recognizes it as an incompatible, older version of a pre-installed component. Recommended Methods for IE8 Compatibility Inside that VM, you can install IE8 natively