Set-ExecutionPolicy ByPass -Scope CurrentUser
Install-Module OSDBuilder
# store the OSDBuilder within the separate directly aside from your regular OS
Get-OSDBuilder -SetPath O:\OSDBuilder
Get-OSDBuilder -CreatePaths
# nuget along with the untrusted module will be installed from the PS Gallery
Import-Module OSDBuilder
# Download the OneDriveSetup package
# OSDBuilder\Content folder contains all different content which is downloaded like
# one drive, or unattended installation or start menu customization
# eventually instead of 'OneDriveSetup Production' 'OneDriveSetup Enterprise' switch can be used
Get-DownOSDBuilder -ContentDownload 'OneDriveSetup Production'
# Mount the ISO of the media, planed for an update
# for windows 10 iso's it can be done with making use of MediaCreationTool
# https://github.com/AveYo/MediaCreationTool.bat

# In order to get the index of the version which is under your interests, execute
# https://osdbuilder.osdeploy.com/module/functions/import-osmedia
# Import-OSMedia -ShowInfo -Quick

# ImageIndex for Windows Servers editions is the natural number <1-4>
# ImageIndex 1 - standard
# ImageIndex 2 - standard desktop experience
# ImageIndex 3 - datacenter
# ImageIndex 4 - datacenter desktop experience

# ImageIndex for Desktop Operating systems - w10 is the natural number as well
# ImageIndex 1: Windows 10 Education
# ImageIndex 2: Windows 10 Education N
# ImageIndex 3: Windows 10 Enterprise
# ImageIndex 4: Windows 10 Enterprise N
# ImageIndex 5: Windows 10 Pro
# ImageIndex 6: Windows 10 Pro N
# in case it can not enumerate the indexes within the ISO, it may mean that the ISO is corrupted, you need to download it again and start the mount and import again
Import-OSMedia -ImageIndex 1 -SkipGrid -Update -BuildNetFX
# or
Import-OSMedia -ImageName 'Windows 10 Enterprise' -ImageIndex 3 -SkipGrid -Update -BuildNetFX -Verbose

# In this usecase there are no features which are enabled within the image
# It is left as generic as possible, and in case feature or role is needed it's
# getting enabled with making use of DSC (Desired State Configuration) later on
# when managing the configuration drift or with some other mechanisms

# once the whole operations ends it's time to create the ISO
# this command has a dependency on the ADK and the availability of oscdimg.exe
New-OSBMediaISO -FullName 'O:\OSDBuilder\OSBuilds\Windows 10 Enterprise x64 1909 18363.2274'
# at this point the updated iso file should be located here
# O:\OSDBuilder\OSBuilds\Windows 10 Enterprise x64 21H2 19044.2604\ISO

# at this point continue with step number 5 mentioned below
# this section will be updated shortly (2023.02.17 - recalling the process in the lab)

<#
.Synopsis
    Sample script for Deployment Research
    For UEFI Deployments, modifies a WinPE ISO to not ask for "Press Any Key To Boot From..."

.DESCRIPTION
    Created: 2020-01-10
    Version: 1.0
     
    Author : Johan Arwidmark
    Twitter: @jarwidmark
    Blog   : https://deploymentresearch.com
 
    Disclaimer: This script is provided "AS IS" with no warranties, confers no rights and 
    is not supported by the author or DeploymentArtist..

.NOTES
    Requires Windows ADK 10 to be installed

.EXAMPLE
    N/A
#>

# Settings
$architecture = "amd64" # Or x86
$adkPath = "${env:ProgramFiles(x86)}\Windows Kits\10\Assessment and Deployment Kit"
#$WinPE_ADK_Path = $adkPath + "\Windows Preinstallation Environment"
$oscdimgPath = $adkPath + "\Deployment Tools" + "\$architecture\Oscdimg"

$isoPath                        = 'O:\iso'
$isoUpdatedFolderName           = 'updated_2302'
$isoUpdatedUnattendedFolderName = 'updated_2302_unattended'
$isoUpdatedFileName             = 'w10_21H2_updt_2302.iso'
$isoFinalFileName               = 'w10_21H2_updt_2302_unattended_noprompt.iso'

#path where the OSDBuilder output iso is stored
$isoUpdatedPath           = Join-Path -Path $isoPath -ChildPath $isoUpdatedFolderName
#location of the iso which is processed to become unattended, no prompt
$isoUpdatedFile           = Join-Path -Path $isoUpdatedPath -ChildPath $isoUpdatedFileName

#path where the final iso file is stored
$isoUpdatedUnattendedPath = Join-Path -Path $isoPath -ChildPath $isoUpdatedUnattendedFolderName 
#location of the iso which is the outcome of the script processing
$isoUpdatedUnattendedFile = Join-Path -Path $isoUpdatedUnattendedPath -ChildPath $isoFinalFileName

# Validate locations
If (!(Test-path $isoUpdatedFile)){ Write-Warning "ISO file updated by OSDBuilder does not exist, aborting...";Break}
If (!(Test-path $adkPath)){ Write-Warning "ADK Path does not exist, aborting...";Break}
If (!(Test-path $oscdimgPath)){ Write-Warning "OSCDIMG Path does not exist, aborting...";Break}

# Mount the Original ISO ($isoUpdatedFile) and figure out the drive-letter
Mount-DiskImage -ImagePath $isoUpdatedFile
$isoImage = Get-DiskImage -ImagePath $isoUpdatedFile | Get-Volume
$isoDrive = [string]$isoImage.DriveLetter+":"

# Section added for BIOS Support
# the updated iso content is copied to the Temp Directory
# this steps is to add the autounattend.xml file and repack the iso later on again
$TempFolder = "O:\Temp\ISO"
New-Item -Path $TempFolder -ItemType Directory -Force
Copy-Item "$ISODrive\*" $TempFolder -Recurse
Remove-Item (Join-Path $TempFolder "boot\bootfix.bin") -Force

# Copy the unattended file
# (update 2023.02)this section needs some improvement and autodetection of the OS type or an argument passed into the script or function once it is integrated with the module
# at this point the autounattend.xml file should already exist somewhere on the filesystem

# pick this file if the iso is server based
$autounattendFileName = 'autounattend.xml'
# NOTE: the xml file for the windows 10 i slightly different that for the server operating systems
$autounattendFullPath = Join-Path -Path $isoPath -ChildPath $autounattendFileName
Copy-Item $autounattendFullPath -Destination $TempFolder -Verbose

# Dismount the Original ISO
Dismount-DiskImage -ImagePath $isoUpdatedFile

# Create a new bootable  ISO file, based on the Original ISO, but using efisys_noprompt.bin instead
$BootData='2#p0,e,b"{0}"#pEF,e,b"{1}"' -f "$oscdimgPath\etfsboot.com","$oscdimgPath\efisys_noprompt.bin"
   
$Proc = Start-Process -FilePath "$oscdimgPath\oscdimg.exe" -ArgumentList @("-bootdata:$BootData",'-u2','-udfver102',"$TempFolder\","`"$isoUpdatedUnattendedFile`"") -PassThru -Wait -NoNewWindow
if($Proc.ExitCode -ne 0)
{
    Throw "Failed to generate ISO with exitcode: $($Proc.ExitCode)"
}
else {
    #remove the content of the tempfolder so the the logic can be repeated with the subsequent image or OS version
    Remove-Item $TempFolder -Force
}