There are many Mac operating system lovers like who loves Mac interface but also not want to quit from Windows, if you are also one of them then there is a brand new Mac OS Leopard theme which you can apply to Windows 7. Else you wont be further requiring any third party tools to give your Windows a Mac environment.
The Mac OS Snow Leopard Windows 7 theme can be downloaded in three categories normally a simple basic look, Normal look and a glass look which is further compatible with 32-bit and 64-bit versions of windows 7. Let me remind you that this is not an official Microsoft windows 7 theme so never expect to go perfect.
Before installing the theme make sure you have also installed the universal theme patch which can be downloaded from the below provided link.
Download Universal theme patch
In order to proceed to installation just unzip the downloaded file and copy into :
Next right click on desktop –> then Personalize and finally apply Snow Leopard theme to your desktop.