Microsoft has released a new build of the Windows Server vNext Long-Term Servicing Channel (LTSC) that contains both the Desktop Experience as well as Server Core in all 18 server languages, as well as a new build of the next Windows Server Semi-Annual Channel release.

Windows Server 2019 Preview is available in ISO format in 18 languages. This build and all future pre-release builds will require use of activation keys during setup.

Windows Server vNext Semi-Annual Preview The Server Core Edition is available in English only, in ISO or VHDX format. The images are pre-keyed – no need to enter a key during setup.

These builds will expire July 2nd, 2018

  Windows Server 2019 Insider Preview Build 17639 released