Windows 7 has additional teems that can be unlocked.
Follow the guide bellow
- Open “My Computer”
- Go to Tools>Folder options
- Navigate to View
- Remove selection from "Hide protected operating system files"
- Go to C:WindowsGlobalizationMCT.
- Open one of the MCT-(AU, CA, GB, US, or ZA) folders .
- Open the Theme folder
- Select the .theme file to use it.
- Hide your “System and Protected Operating System files” if you wish
.
NOTE: After you use .theme file Windows 7 will save it and you will be able to change use it
from Personalization window location
You may also like -
Install Windows 7 From UsbHow to Create Windows 7 USB Bootable installationTo make Windows 7 deployment easier Microsoft has released a small utility that allows you install Windows ... 
Windows 7 - XP compatibility mode downloadIn order to run Windows XP programs on Windows 7 Microsoft released Windows XP compatibility packThe pack can be downloaded from herehttp://www.microsoft.com/windows/virtual-pc/download.aspxDownload size is ... 
Download Free Windows 7 GuidesMicrosoft Released Several Windows 7 guides for download Power Management in Windows 7 Overview Enterprise Search in Windows 7 Overview Windows 7 Manageability Overview ... 
To add additional hiden components to the Add/Remove ProgramsTo add additional components to the Add/Remove Programs list (Windows Components):Tools/Folder Options/View/Show Hidden Files and Folders and Show Extensions for known file types. Then ... 