This is a repackaged software product of Windows Server which is the platform for building an infrastructure of connected applications, networks and web services from the workgroup to the data center.
It bridges on-premises environments with Azure, adding additional layers of security while helping you modernize your applications and infrastructure.

Amazon EC2 running Microsoft Windows Server is a fast and dependable environment for deploying applications using the Microsoft Web Platform. Amazon EC2 enables you to run any compatible Windows-based solution on AWS' high-performance, reliable, cost-effective, cloud computing platform. Common Windows use cases include Enterprise Windows-based application hosting, website and web-service hosting, data processing, media transcoding, distributed testing, ASP.NET application hosting, and any other application requiring Windows software.