UltimateDark is a Visual Style for any version of Windows Vista and Aero interface for (Premium, Business, and Ultimate).
Info:
Custom Vista themes require that some system files be patched. (see enclosed manual install instructions)
Once the system is patched,
the theme folders and .theme files go to Windows\Resources\Themes, then you're ready to go.
Author: r3c1pr0c17y.deviantart.com
Download Here (7 zip file)