https://www.groovypost.com/howto/create-local-account-windows-10/
%windir%\system32\sysprep\sysprep.exe /oobe /generalize /shutdown /mode:vm
https://www.thomasmaurer.ch/2016/05/windows-sysprep-for-virtual-machines/
launching disk management snapin
open elevated cmd.exe
diskmgmt.msc
right click on existing partition and select “extend”, and follow wizard.
https://www.microsoft.com/en-us/software-download/windows10
https://4sysops.com/archives/troubleshooting-group-policy-part-4-client-problems/
http://woshub.com/troubleshoot-slow-gpo-processing-and-login-speed-impact/
# cleanup components
Dism.exe /online /Cleanup-Image /StartComponentCleanup
# remove old versions
Dism.exe /online /Cleanup-Image /StartComponentCleanup /ResetBase
# superseded packages
Dism.exe /online /Cleanup-Image /SPSuperseded