another readme

readme.txt

$UpdateSession = New-Object -ComObject Microsoft.Update.Session
$UpdateSearcher = $UpdateSession.CreateUpdateSearcher()
$SearchResult = $UpdateSearcher.Search("IsInstalled=0 and Type='Software'")

if ($SearchResult.Updates.Count -eq 0) {
    Write-Output "No updates available"
} else {
    $UpdatesToInstall = New-Object -ComObject Microsoft.Update.UpdateColl
    foreach ($Update in $SearchResult.Updates) {
        $UpdatesToInstall.Add($Update)
    }

    $Downloader = $UpdateSession.CreateUpdateDownloader()
    $Downloader.Updates = $UpdatesToInstall
    $Downloader.Download()

    $Installer = $UpdateSession.CreateUpdateInstaller()
    $Installer.Updates = $UpdatesToInstall
    $InstallationResult = $Installer.Install()

    if ($InstallationResult.RebootRequired) {
        Write-Output "Reboot required"
        Restart-Computer
    } else {
        Write-Output "Updates installed successfully"
    }
}