You can follow along here.
https://www.diskpart.com/windows-10/create-windows-10-bootable-usb-from-iso-0310.html
--please don't forget to Accept as answer
if the reply is helpful--
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I just installed Server 2019 Standard on a new machine via USB and it just ended at the command prompt and asking for a new admin password. I was never asked if I wanted the GUI version or Core version it seemed to just install the Core version, where do I go from here?
You can follow along here.
https://www.diskpart.com/windows-10/create-windows-10-bootable-usb-from-iso-0310.html
--please don't forget to Accept as answer
if the reply is helpful--
I'd give this one a go.
https://www.microsoft.com/en-us/evalcenter/evaluate-windows-server-2019
--please don't forget to Accept as answer
if the reply is helpful--
Alright, what are the proper steps to mount those onto a bootable USB? Apparently I'm not doing something right.
Thank you for the guidance DSPatrick. I had to jump through some extra hoops because of the way the system was setup from Dell, long story short there are some definite ways you have to handle GPT disk vs NTFS vs UEFI vs FAT vs Legacy boot. For others out there to learn from my learning experience the disk part would fail for FAT formatting because the USB drive was too large a volume, NTFS would work fine except when you set Legacy Boot in the BIOS the RAID drivers didn't load and the now bootable NTFS USB stick couldn't properly handle the GPT drive (drivers). So I then used a media creation tool to limit the size of the partition to create a properly sized UEFI bootable USB stick, turned off all the legacy boot options in the BIOS and all went well. After further research I also could have fiddled with adding drivers directly or messed with the RAID controller itself but this was the option I chose for now. The files from the DVD were never the issue it turns out, the proper format for a UEFI bootable USB stick was the problem.