Operating systems in the LTS Channel are focused on traditional workloads (file servers, application server, infrastructure roles, etc.). The current edition for the LTSC channel is Windows Server 2019. LTSC issues are available to all users, regardless of the licensing model used. Installation of the system is possible in the Server Core mode and in the Server mode with the desktop features (Server with Desktop Experience).

The composition of the editions:
The English-language image contains:

Windows Server 2019 Standard
Windows Server 2019 Standard (Desktop Experience)
Windows Server 2019 Datacenter
Windows Server 2019 Datacenter (Desktop Experience)


Program version: 1809 (Build 17763.1518)
Official website: Microsoft
Interface language: English
Treatment: required, but absent
System requirements:

64-bit processor with clock frequency of 1.4 GHz
RAM: 2 GB
Free disk space for system partition: 32 GB
Gigabit Ethernet adapter (10/100/1000 Base-T)
DVD disk drive (if the operating system is installed from a DVD)
Internet access

https://www.microsoft.com/en-us/evalcenter/evaluate-windows-server-2019