Installation of Windows Server 2019
In the BIOS set first boot priority of USB or DVD depending on installation media.
Insert DVD or plug in Bootable USB disk
Accept terms & conditions
Choose edition, if you need the GUI then choose Desktop Experience.
If this is your new installtion, then choose the Custo: Install Windows Only (Advanced)
Breaking partition of 280gb, creating two partition of 100gb and 180gb
Installing in newly created partition no 4, select next
Wait for windows loading files
This will take some time between 15 to 20 minutes depending on your hardware speed.
Create strong password for windows account
Press ctrl+alt+delete to unlock the system and then enter password.
Changing the default name of computer
It will require restart of system to affect changes.