DISM - команды для быстрой распаковки и сборки образа

Deployment Image Servicing and Management (DISM.exe) is a command-line tool that can be used to service a Windows® image or to prepare a Windows Preinstallation Environment (Windows PE) image.Apr 18, 2014

What is DISM? - TechNet - Microsoft

https://technet.microsoft.com/en-us/library/hh825236.aspx

Dism /Get-WimInfo /WimFile:D:\n1-wim\boot.wim

Dism /Mount-Wim /index:1 /WimFile:D:\n1-wim\boot.wim /MountDir:D:\n1-win-ex

Dism /Unmount-Wim /MountDir:D:\n1-win-ex\ /Commit


/Discard - отключение образа без сохранений

/Commit - отключение образа с сохранением