OS X Yosemite Windows Skin Pack works on Windows 7, Windows 8.1 and Windows 8. it supports both x64 and x86 so you should choose the type of skin pack corresponding to you windows 7 type.
It will install on your system in one time:
– Blue icons.
– logon screen.
OS X Yosemite Windows Skin Pack has easy and safe install option , Please uninstall old or other version of skin packs before install new version. Before install disable user account controller “disabled by default“ and close all running program , after finish restart your system, you can uninstall the pack from the control panel like any program.