The following versions were either free or included as in-service packs. The Internet Explorer, also known as the "OG" search browser, saw a big jump in popularity in 2003 before falling out of favour as new browsers came out.
However, no major upgrades or new versions of Internet Explorer have been released by Microsoft since 2016. Microsoft's last and final version of Internet Explorer, version 11, was released in 2013.
According to Microsoft, widespread support for the ageing search engine will be discontinued on June 15, 2022, rendering it useless.
Several tweets in regard of demise of Internet Explorer have been surfaced online but to be honest those are quite funny and nostalgic.