The legitimate version is sold by (and historically by others like IE Tab.net). It requires a paid license for prolonged or commercial use, though a limited free trial exists.
IE Tab is developed by Blackfish Software. The software follows a "freemium" model: Ie Tab License Key Github
“License key” in context: Some commercial builds or forks of IeTab-like tools use license keys to enforce paid usage (activation, feature limits, or enterprise management). A license key is typically a token tied to a purchase or subscription used by the extension to unlock premium features. How keys are generated, validated, and stored varies by implementation: The legitimate version is sold by (and historically
Internet Explorer's evolution is a fascinating story. From its early days as a simple web browser to its later years as a bloated, buggy behemoth, IE's trajectory is a cautionary tale of how quickly a technology can become outdated. Despite its flaws, IE played a significant role in shaping the web as we know it today. The software follows a "freemium" model: “License key”
Modern Microsoft Edge includes a native IE Mode that is free for all users and allows businesses to load legacy sites without third-party extensions.