If an automated script fails claiming the .msi is missing, ensure you have downloaded the full offline installer for the WinPE Add-on. Use the command line flag to download the full layout before running the installation: adkwinpesetup.exe /layout C:\PathToOfflineFolder Use code with caution. Architecture Mismatch
Which are you planning to deploy?
From there, you can launch the via an elevated Command Prompt to assemble your customized bootable media using standard tools like copype and MakeWinPEMedia . windows pe boot files -onecoreuap--x86-en-us.msi download