For a new workstation didn't it come with Windows 10 professional (OEM)?
Consider a clean install with a windows 10 iso:
https://www.microsoft.com/en-us/software-download/windows10
https://www.tenforums.com/tutorials/9230-download-windows-10-iso-file.html
https://www.tenforums.com/tutorials/2376-create-bootable-usb-flash-drive-install-windows-10-a.html
https://www.tenforums.com/tutorials/118137-create-bootable-usb-installer-if-install-wim-greater-than-4gb.html
https://learn.microsoft.com/en-us/windows-hardware/manufacture/desktop/install-windows-from-a-usb-flash-drive
For any installation problems please post images with error messages and codes.
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