The (IE10 RP) marked a pivotal moment in the evolution of Microsoft's web ecosystem, serving as the final bridge between the legacy of Windows 7 and the bold, touch-centric future of Windows 8. Originally unveiled for Windows 7 on November 13, 2012, this preview allowed users of the world’s most popular OS at the time to experience the same performance and standards-based engine that powered the flagship Windows 8 experience. A "Fast and Fluid" Web Experience
Have a memory of testing the IE10 Release Preview? Share your story in the comments below (or on a service that still supports Internet Explorer). Internet Explorer 10 Release Preview