1: First open the Server Manager(usually do not know where development can be like Win7 in the run inside the search)
2: Then choose from the Tree menu on the left:Feature Click on the right page: Add Features The interface will appear :
3: Put "Desktop Experience" on the next step is to complete the installation. After the completion of the system will prompt restart to complete the installation, listen to do.
4: There is one more thing to do after a reboot: Open the server Manager in the left tree menu, select:configuration-->services
Found in numerous services:Themes (the service does not appear if desktop experience is not installed) and then changes it to auto-start, then restarts the system again (without trying to log off).
OK, this is the last step. When you right-click on the desktop you will find an option: Personalize can modify the desktop by this item.
5: You can get the theme online, download the window theme file, and then run it.
Windows Server R2 English revision desktop theme (Win7 theme)