Internet Explorer 10 is now available worldwide in 95 languages for download today. Windows 7 customers will be automatically upgraded to IE10 in the weeks ahead, starting today with customers running the IE10 Release Preview. You can also upgrade manually.
IE10 brings increased support for modern Web standards powered by hardware acceleration to enable a new class of compelling applications and fast and fluid Web browsing. IE10 adds support for over 30 new modern Web standards beyond IE9, for a 60% increase.
User interface for the Windows 7 version is similar to IE 9. So, the full-screen experience from the Windows 8 machine will not be available for the Windows 7 users. You can manually upgrade to IE by downloading from Microsoft Website.