Your safest and most effective path forward is to use one of these three methods:
If you need a portable browser that is easy to use and provides a fast browsing experience, the portable version of Internet Explorer 9 is definitely worth trying. However, users who require advanced features or enhanced security may want to consider alternative options. download internet explorer 9 portable version
Despite being released over a decade ago (March 14, 2011), IE9 introduced features that later browsers removed or changed: Your safest and most effective path forward is
Download a "Legacy Windows" virtual machine image from sites like Archive.org download internet explorer 9 portable version
Microsoft recommends using within the Microsoft Edge browser. This provides backward compatibility for sites that require Internet Explorer while maintaining modern security standards.