windows 7

Hello What's the closest one can make Windows 8.1 look like Windows 7? I tried following the guide in How to Make Windows 8 or 8.1 Look Like Windows 7 or XP but the link to the Aero theme is dead and without it the result looks really chintzy

http://www.youtube.com/watch?v=Vp4XXIqvXfY I tried Win8 Pre Milestone 3 into my laptop too (Win7) works fine on my laptop! :D but why to use Win8 M if we can make Win7 Looks Like Win8 and Win7 SP2 include Win8 Fetures and more something nice... http://www.youtube.com/watch?v=Ssd77XIItLQ