Windows Server 2008 R2 builds on the award-winning foundation of Windows Server 2008, expanding existing technology and adding new . This download comes as a pre-configured VHD. This download enables you evaluate Microsoft Windows Server 2008 R2. Windows Server 2008 R2 est disponible uniquement dans une architecture 64 bits. Sommaire. 1 Histoire; 2 Nouveautés. 2.1 . It is built on the same kernel used with the client-oriented Windows 7, and is the first server operating system released by Microsoft to exclusively support 64-bit ..