This guide will walk you through the steps of installing Windows Server 2019 on a physical server, Virtual Environment or in the Cloud. For a physical server installation, you’ll need to pull the Windows Server ISO image and burn to a USB device.
Download:

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

Windows Server 2019 installation steps:

After creating a bootable USB or DVD medium, insert it and start your Computer. VirtualBox, KVM and VMware users only need to attach the ISO file during VM creation and follow the installation steps shown.

1.On the first screen, select installation language, Time and keyboard layout the click “Next“.

2.Start the installation by clicking on “Install Now“.

3.Select the Windows Server 2019 edition to install and click Next.

4. Read the License terms and agree to them to start the installation by checking the box “I accept the license terms“.

5. if this is the first installation of Windows Server 2019 on the server, select (Custom: Install Windows only).

6. Select a partition to install Windows Server, you can optionally create new one from available or use total available size by clicking “Next“.

7. The installation should start, wait for it to finish.

8. The system should automatically reboot after the installation. Set Administrator password when prompted on the next screen.

9. Click Finish to complete the installation. To login with the Administrator user, use Ctrl + Alt + Del key combination.

10. Provide your Administrator Password and hit Enter.

Access to Server Manager Local Server section should also give you some details about Windows Server 2019 installation. That’s all. You have successfully installed Windows Server 2019 on your Physical server or Virtual Environment.