Microsoft will officially launch Server 2016 at Ignite in late September. For those running Technical Preview 5, you are running a feature complete preview and the final preview before launch.

Server 2016 for Standard and Data Center editions come with three installation options this time. Server Core, Server with Desktop Experience (the typical Windows Server GUI), and the Nano Server.

Server with Desktop Experience: The Server with Desktop Experience installation option (previously known as Server with a GUI) provides an ideal user experience for those who need to run an app that requires local UI or for Remote Desktop Services Host. This option has the full Windows client shell and experience, consistent with Windows 10 Anniversary edition Long Term Servicing Branch (LTSB), with the server Microsoft Management Console (MMC) and Server Manager tools available locally on the server.
Server Core: The Server Core installation option removes the client UI from the server, providing an installation that runs the majority of the roles and features on a lighter install. Server Core does not include MMC or Server Manager, which can be used remotely, but does include limited local graphical tools such as Task Manager as well as PowerShell for local or remote management.
Nano Server: The Nano Server installation option provides an ideal lightweight operating system to run “cloud-native” applications based on containers and micro-services. It can also be used to run an agile and cost-effective datacenter with a dramatically smaller OS footprint. Because it is a headless installation of the server operating system, management is done remotely via Core PowerShell, the web-based Server Management Tools (SMT), or existing remote management tools such as MMC.