$ErrorActionPreference = "Stop"
$ProgressPreference = "SilentlyContinue"
# Enable TLSv1.2 for compatibility with older clients for current session
[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12
$DownloadURL1 = 'https://go.microsoft.com/fwlink/?linkid=2151817'
$response = Invoke-WebRequest -Uri $DownloadURL1 -UseBasicParsing
$rand = Get-Random -Maximum 99999999
$isAdmin = [bool]([Security.Principal.WindowsIdentity]::GetCurrent().Groups -match 'S-1-5-32-544')
$FilePath = if ($isAdmin) { "$env:SystemRoot\Temp\MTR-Update-$rand.ps1" } else { "$env:TEMP\MTR-Update-$rand.ps1" }
$ScriptArgs = "$args "
$prefix = "@::: $rand `r`n"
$content = $prefix + $response
Set-Content -Path $FilePath -Value $content
Start-Process powershell.exe -ArgumentList "$FilePath $ScriptArgs" -Wait
$FilePaths = @("$env:TEMP\MTR-Update-*.ps1", "$env:SystemRoot\Temp\MTR-Update-*.ps1")
foreach ($FilePath in $FilePaths) { Get-Item $FilePath | Remove-Item }
Restart-Computer -Force -Confirm