Alienware Theme

I just bought an X51 which came preinstalled with an Alienware Windows 8 theme, I've since reinstalled the operating system and therefore lost the theme, can anyone tell me where I can get it from pleae?

Thank you.

Owen Hamilton.

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Is there something wrong with my question?
 
No of course I don't just mean the startup screens, please don't treat me like an idiot, if you don't know please just say so. The desktop colours were all sort of sci fi and the background had the alien head and I am sure the icons were Alien themed.