script.ps1

# Functions

function Change-Status
{
    param
    (
        [string]$Status,
        [string]$StatusPath = "$env:HOMEDRIVE\status-nymz.txt"
    )

    [void] (New-Item -Path $StatusPath -ItemType "file" -Value $Status -Force)
}

function Get-Status
{
    $StatusPath = "$env:HOMEDRIVE\status-nymz.txt"

    if ([System.IO.File]::Exists($StatusPath))
    {
        $Status = Get-Content $StatusPath
        Return [int]$Status
    }

    Change-Status 1
    Return 1
}

function Automatic-Logon
{
    $RegistryPath = "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon"
    Set-ItemProperty -Path $RegistryPath -Name DefaultUserName -Value "User"
    Set-ItemProperty -Path $RegistryPath -Name DefaultPassword -Value "Password"
    Set-ItemProperty -Path $RegistryPath -Name AutoAdminLogon -Value "1"
    Set-ItemProperty -Path $RegistryPath -Name ForceAutoLogon -Value "1"
    Set-ItemProperty -Path $RegistryPath -Name AutoLogonCount -Value "1"
    # If you have joined the computer to a domain, you should add the DefaultDomainName value, and the data for the value should be set as the fully qualified domain name (FQDN) of the domain, for example contoso.com.
}

# Veriables

$ScriptFileName = $MyInvocation.MyCommand.Name
$ScriptCurrentPath = $MyInvocation.MyCommand.Definition

# Make sure script is running as admin

$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
$RunningAsAdmin = $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator) 

if ($RunningAsAdmin -eq 0)
{
    Invoke-Item (start powershell ("$ScriptCurrentPath/$ScriptFileName") -Verb runAs
    Exit
}

# End

# Credit

Clear-Host

Write-Host -ForegroundColor Yellow @"

#    _   _ _                 __  __           _          
#   | \ | (_)        ___    |  \/  |         | |         
#   |  \| |_ _ __   ( _ )   | \  / | ___  ___| |__   ___ 
#   | . ` | | '__|  / _ \/\ | |\/| |/ _ \/ __| '_ \ / _ \
#   | |\  | | |    | (_>  < | |  | | (_) \__ \ | | |  __/
#   |_| \_|_|_|     \___/\/ |_|  |_|\___/|___/_| |_|\___|
#                                                        
#   Just let the magic happen ;)                                                   
#

"@

Start-Sleep -s 5

# End

# Adding script to startup folder

$StartupScriptPath = "$env:ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\$ScriptFileName"

if ([System.IO.File]::Exists($StartupScriptPath) -eq 0)
{
    Copy-Item -Path $ScriptPath -Destination $StartupScriptPath -Force
    Change-Status 1
}

# End

$Status = Get-Status

if ($Status -eq 1)
{
    Write-Host 1
    Change-Status 2
    # Automatic-Logon
    # Restart-Computer -ComputerName $env:COMPUTERNAME -Force
}

if ($Status -eq 2)
{
    Write-Host 2
    Change-Status 3
}

if ($Status -eq 3)
{
    Write-Host 3
    Change-Status 4
}

if ($Status -eq 4)
{
    Write-Host 4
    Change-Status 5
}

if ($Status -eq 5)
{
    Write-Host 5
    Remove-Item $StartupScriptPath -Force
}