If you are bored with the default Microsoft Windows XP, Vista, 7 and 8 theme layout design, why not skin your Windows to look like Apple’s Mac OS X Yosemite? Yosemite Transformation Pack 2.0 will transform your Windows 8.1/8/7/Vista/XP user interface to Mac OS X Yosemite, including OS X Yosemite Boot Screen, Login Screen, Themes, Icons, Wallpapers, Sounds, Fonts, Dock, Dashboard, Spaces, Launchpad and more.
As shown in the screen shots above, the Windows user interface is transformed into a Mac OS X user interface. Download Yosemite Transformation Pack (YTP) v2.0 (103MB). Do understand that if you have a very slow computer, using this skin will probably cause it to slow down or lag badly. make sure you have enough RAM to support this skin.
Apple OS X El Capitan: What’s New?
This videos covers the major and minor features of OS X El Capitan (OS X 10.11)