Speed up a computer

$profiles = Get-ChildItem 'C:\Users' | Where-Object {
    $_.PSIsContainer -and
    $_.Name -notin @('All Users', 'Default', 'Default User', 'Public', 'desktop.ini')
}

foreach ($profile in $profiles) {
    $tempPath = Join-Path -Path $profile.FullName -ChildPath 'AppData\Local\Temp'
    if (Test-Path $tempPath) {
        try {
            Write-Host "Cleaning: $tempPath"
            Get-ChildItem -Path $tempPath -Recurse -Force -ErrorAction SilentlyContinue | Remove-Item -Recurse -Force -ErrorAction SilentlyContinue
        } catch {
            Write-Warning "Failed to clean: $tempPath - $_"
        }
    }
}