1. Simply Download the Mac OS X 10.8 Mountain Lion Skin pack and run the .exe file. Then you need to make sure to checkCustom Installation and uncheck setting Babylon as your default search provider and homepage.
2. Next You need to select 3rd party Apps to support the installation of the Mac skin pack.
3. After your skin is installed, just Restart your system to changes take effect. Once you do, the UI of your Windows7 will look like the below screenshot. The skin pack includes XWidgets, XLaunchpad, Rocket Dock etc.
Mac OS X 10.8 Mountain Lion Apple theme Windows 7 transformation Pack also contains Aero Glass Themes as well, you can access those themes in Personalization menu in Windows7 desktop.
Windows 7 Into Mac OS X 10.8 Mountain Lion Download:
Download offline installer:Windows 7 64bit Download
Windows 7 32bit Download
Download MAC OS X Lion Login Screen