Limpiar archivos temporales en Windows

$cutoff = (Get-Date).AddDays(-7)
$paths = @("$env:SystemRoot\Temp") + (Get-ChildItem 'C:\Users' -Directory -ErrorAction SilentlyContinue | ForEach-Object { Join-Path $_.FullName 'AppData\Local\Temp' })
$freed = 0
foreach ($path in $paths) {
    if (-not (Test-Path $path)) { continue }
    Get-ChildItem $path -Recurse -File -Force -ErrorAction SilentlyContinue |
        Where-Object { $_.LastWriteTime -lt $cutoff } |
        ForEach-Object {
            $size = $_.Length
            Remove-Item $_.FullName -Force -ErrorAction SilentlyContinue
            if (-not (Test-Path $_.FullName)) { $freed += $size }
        }
}
Write-Output ("Freed {0:N1} MB" -f ($freed / 1MB))