, evildictait​or wrote

*snip*

IE10 will only be on Windows8. It is too heavilly tied to the Windows8 security and UI model to be trivially back-ported to Windows7, and that won't happen under Sinofsky's watch.

FWIW - Brendon Lynch - discussing IE10 Do-Not-Track, about a week(ish) ago.

"Windows 7 customers using IE10 will receive prominent notice that DNT is turned on in their new browser, together with a link providing more information about the setting,"