Create_SetupConfigini_SetupCompletecmd.ps1

#Parameters SetupConfig.ini

  [string] $PPriorityValue = 'High'
  [string] $PostOOBEValue = 'C:\ProgramData\OSConfig\setupcomplete.cmd'
  [string] $Value3 = 'powershell.exe -executionpolicy bypass -file C:\ProgramData\OSConfig\Background\Set-Background.ps1'
  [string] $Value2 = 'powershell.exe -executionpolicy bypass -file C:\ProgramData\OSConfig\Start\Set-StartLayout.ps1'
  [string] $Value = 'MsiExec.exe /X {F14000BE-0001-6400-0000-074957833700} /qn'
  

#Variable for ini file path
$iniFilePath = "$env:SystemDrive\Users\Default\AppData\Local\Microsoft\Windows\WSUS\SetupConfig.ini"
$FilePath = "$env:SystemDrive\ProgramData\OSConfig\SetupComplete.cmd"

#Variables for SetupConfig
$iniSetupConfigSlogan = "[SetupConfig]"
$iniSetupConfigKeyValuePair =@{"PostOOBE"=$PostOOBEValue;"Priority"=$PPriorityValue;}

#Variables for SetupComplete
$ConfigKeyValuePair =@{"Value"=$Value;"Value2"=$Value2;"Value3"=$Value3}

#Init SetupConfig content
$iniSetupConfigContent = @"
$iniSetupConfigSlogan
"@

#Init SetupComplete content
$ConfigContent = @"
"@


#Build SetupConfig content with settings
foreach ($k in $iniSetupConfigKeyValuePair.Keys) 
{
    $val = $iniSetupConfigKeyValuePair[$k]
    
    $iniSetupConfigContent = $iniSetupConfigContent.Insert($iniSetupConfigContent.Length, "`r`n$k=$val")
}


#Build SetupComplete content with settings
foreach ($k in $ConfigKeyValuePair.values) 
{
    $val = $iniSetupConfigKeyValuePair[$k]
    
    $ConfigContent = $ConfigContent.Insert($ConfigContent.Length, "`r`n$k")
}

#Write content to file 
New-Item $FilePath -ItemType File -Value $ConfigContent -Force
New-Item $iniFilePath -ItemType File -Value $iniSetupConfigContent -Force
New-Item 'HKLM:\SOFTWARE\COMPANYNAME\FeatureUpgrade\1809Ready' -force