Used Microsoft Windows HPC Server 2008 for Windows?
Download both the Windows Server 2008 HPC Edition DVD image and the Microsoft HPC Pack 2008 CD image from the links in the page. Burn the Windows Server 2008 image to a DVD and the HPC Pack 2008 image to a CD. Use the DVD to install Windows Server 2008, and when that installation is complete insert the HPC Pack 2008 CD and run 'setup.exe' to start the HPC Pack installation wizard. When asked for a product key use the key provided in the Microsoft product page.
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By Microsoft
Used Microsoft Windows HPC Server 2008 for Windows?
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