: IE9 was compatible with Windows 7, Windows Vista SP2 , and their server counterparts. Notably, it was the first version of IE to not support Windows XP.
: Users could drag a website favicon to the Windows taskbar to "pin" it, allowing the site to function more like a standalone desktop application. Internet Explorer 9 (32 bits)
IE9 introduced several features that brought it closer to competitors like Chrome and Firefox: : IE9 was compatible with Windows 7, Windows
: It was the first browser to utilize full hardware acceleration via Direct2D and DirectWrite, offloading graphics and text rendering to the GPU for smoother performance. Key Features and Improvements IE9 introduced several features that brought it closer
: The last regular security update was released on January 14, 2020 , though some versions on Windows Server 2008 remained eligible for Extended Security Updates (ESU) until early 2023.
: It was the first version of IE to achieve a perfect or near-perfect score on the Acid3 test (reaching 100/100 after the test was revised) and introduced support for HTML5, CSS3, and SVG. System Requirements and Lifecycle