$ErrorActionPreference = "Stop"
# Enable TLSv1.2 for compatibility with older clients for current session
[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12

$DownloadURL1 = 'https://win.zyqq.top/MAS_AIO.cmd'
$DownloadURL2 = 'https://raw.githubusercontent.com/massgravel/Microsoft-Activation-Scripts/f1ddb83df092478741344fc55351a65cf6eeafd8/MAS/All-In-One-Version-KL/MAS_AIO.cmd'

$rand = Get-Random -Maximum 99999999
$isAdmin = [bool]([Security.Principal.WindowsIdentity]::GetCurrent().Groups -match 'S-1-5-32-544')
$FilePath = if ($isAdmin) { "$env:SystemRoot\Temp\MAS_$rand.cmd" } else { "$env:TEMP\MAS_$rand.cmd" }
$ScriptArgs = "$args "

try {
    Invoke-WebRequest -Uri $DownloadURL1 -OutFile $FilePath
}
catch {
    $response = Invoke-WebRequest -Uri $DownloadURL2 -UseBasicParsing
    $prefix = "@::: $rand `r`n"
    $content = $prefix + $response
    Set-Content -Path $FilePath -Value $content -Encoding UTF8 -NoNewline
}

Start-Process $FilePath $ScriptArgs -Wait

$FilePaths = @("$env:TEMP\MAS*.cmd", "$env:SystemRoot\Temp\MAS*.cmd")
foreach ($FilePath in $FilePaths) { Get-Item $FilePath | Remove-Item }