Hi Gabriel
Windows server 2016 is not yet released !
http://www.serverpronto.com/spu/2016/01/everything-you-need-to-know-about-windows-server-2016/
Windows Server Technical Preview 5 (TP5)
Windows Server 2016 Technical Preview 5 (TP5) is the last public test build before Microsoft delivers Windows Server 2016 to us this fall. The last release before RTM (release to manufacturing) provides a wide range of new and enhanced features and capabilities spanning server virtualization, storage, software-defined networking, server management and automation, web and application platform, access and information protection, virtual desktop infrastructure, and more.
Walter.