You can install Internet Explorer 11 (32 bit/64 bit) on your Windows 7 PC with Service Pack 1 (SP1) or Windows Server 2008 R2 SP1. However, note that, as it is a preview version so it may contain several bugs. It is “fast and fluid, and lets your websites shine and perform just like native applications on your PC”.
Internet Explorer 11 for Windows 7 features: Fast: Internet Explorer 11 harnesses the untapped power of your PC, delivering pages full of vivid graphics, smoother video, and interactive content. Easy: Experience the web the way you want to with pinned sites, built-in Spellcheck, and seamless integration with your PC running Windows 7. Safer: Improved features like SmartScreen Filter and Tracking Protection let you be more aware of threats to your PC and your privacy. You can read more about this release on the official page here. Interested users can download Internet Explorer 11 for Windows 7 from here.