Do you really know all the new features of Win8?

2001 to 2012, from XP, Vista, Win7 to Win8, Microsoft Windows operating system has undergone earth-shaking changes, and the improvement is huge, but what new features have been gradually added?
Speaking of the difference between Windows8 and Windows7, we will think of: new start screen and dynamic tile, IE10 browser, resource management with Ribbon, new task manager, Windows to go (enterprise version), Window Store app store, file history, Windows reset and refresh, and more.
If you say all the differences, I am afraid no one can say it clearly.
Please see the following new features of Win8, Win7, Vista, there are PDF files available for download (click), you can study:
Win8 new features:

Win7 New features:

Vista new features:

Love Win8, on the soft media Win8 home, bubble Win8 Chinese forum, play Win8 optimization master.