Internet Explorer 9 (32 Bits) Official

: The 32-bit version featured the new "Chakra" JavaScript engine. It utilized a background thread for Just-In-Time (JIT) compilation , allowing users to interact with pages while the browser generated faster code in the background.

: Regular support for most versions of IE9 ended on January 12, 2016 , when Microsoft began requiring users to upgrade to the latest version of IE available for their OS. Internet Explorer 9 (32 bits)

While IE9 was available in both 32-bit and 64-bit editions, the 32-bit version was the default and generally recommended choice due to its superior performance at the time. : The 32-bit version featured the new "Chakra"