Windows Server is a group of operating systems for servers that Microsoft has been developing since 1993. The first OS that was released for this platform is Windows NT 3.1 Advanced Server. With the release of Windows Server 2003, the brand name was changed to Windows Server.

Windows Server 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.

This collection of articles contains detailed information to help you understand and get the most from Windows Server, and help determine if you're ready to move to the latest version. Once you've checked the system requirements, upgrade options, and other information about Windows Server, you're ready to start down the path of installing the best edition and installation option for your needs.