With this license you can activate 1 server with Datacenter 2019 Edition
Windows Server 2019 is the latest version of the server operating system by Microsoft, as part of the Windows NT family of operating systems.
Windows Server 2019 builds on the foundation of Windows Server 2016, the fastest adopted version of Windows Server with 10s of millions of instances deployed worldwide. Windows Server 2019 bridges on-premises environments with Azure services, enabling hybrid scenarios that maximize existing investments. Increase security and reduce business risk with multiple layers of protection built into the operating system. Evolve your datacenter infrastructure to achieve greater efficiency and scale with Hyper-converged Infrastructure (HCI). Enable developers and IT pros to create cloud native applications and modernize their traditional apps using containers and micro-services