This item is for PC Digital download and no Physical disk delivery.Microsoft 1 PC License Only GENUINE ,I will send the installer download link and Microsoft official license key through amazon Message After making the purchase. Windows Server 2008 R2 is the latest version of the Windows Server operating system from Microsoft. Building on the features and capabilities of the Windows Server 2008 release version, Windows Server 2008 R2 allows you to create solution organizations that are easier to plan, deploy, and manage than previous versions of Windows Server. Building upon the increased security, reliability, and performance provided by Windows Server 2008, Windows Server 2008 R2 extends connectivity and control to local and remote resources. This means your organizations can benefit from reduced costs and increased efficiencies gained through enhanced management and control over resources across the enterprise.