Windows Disk Cleanup Script

<#
This resource is provided as a convenience for Level users. We cannot 
guarantee it will work in all environments. Please test before deploying 
to your production environment. We welcome contributions to our community 
library

Level Library
https://level.io/library/script-windows-disk-cleanup
#>

# Create log file to track deleted files
$logFile = "C:\cleanup_log_$(Get-Date -Format 'yyyy-MM-dd_HH-mm').txt"
"Cleanup Started at $(Get-Date)" | Out-File $logFile

# Initialize total space saved
$totalSpaceSaved = 0

function Write-LogAndConsole {
    param($message)
    $message | Out-File $logFile -Append
    Write-Host $message
}

# List of temporary folders to clean
$tempPaths = @(
    "$env:TEMP",
    "$env:SystemRoot\Temp",
    "$env:SystemRoot\Prefetch",
    "$env:SystemRoot\SoftwareDistribution\Download"
)

# Clean each temp location
foreach ($path in $tempPaths) {
    Write-LogAndConsole "`nCleaning $path..."
    Get-ChildItem -Path $path -Recurse -Force -ErrorAction SilentlyContinue | 
        Where-Object { 
            $_.LastAccessTime -lt (Get-Date).AddHours(-1) -and 
            !$_.PSIsContainer 
        } | 
        ForEach-Object {
            try {
                $size = $_.Length / 1MB
                $fileName = $_.Name
                Remove-Item -Path $_.FullName -Force -ErrorAction SilentlyContinue
                $totalSpaceSaved += $size
                Write-LogAndConsole "Cleaned temp file: $fileName - Freed $([math]::Round($size, 2)) MB"
            }
            catch {
                Write-LogAndConsole "Error cleaning $fileName"
            }
        }
}

# Clean Downloads folders for all users
Write-LogAndConsole "`nCleaning Downloads folders..."
$userProfiles = Get-ChildItem "C:\Users" -Directory | Where-Object { $_.Name -notin @("Public", "Default", "Default User") }

foreach ($profile in $userProfiles) {
    $downloadPath = Join-Path $profile.FullName "Downloads"
    if (Test-Path $downloadPath) {
        Write-LogAndConsole "`nCleaning Downloads folder for $($profile.Name)..."
        
        Get-ChildItem -Path $downloadPath -Recurse -File -ErrorAction SilentlyContinue |
            Where-Object { $_.LastAccessTime -lt (Get-Date).AddDays(-30) } |
            ForEach-Object {
                try {
                    $size = $_.Length / 1MB
                    $fileName = $_.Name
                    Remove-Item -Path $_.FullName -Force -ErrorAction SilentlyContinue
                    $totalSpaceSaved += $size
                    Write-LogAndConsole "Cleaned old download: $fileName - Freed $([math]::Round($size, 2)) MB"
                }
                catch {
                    Write-LogAndConsole "Error cleaning $fileName"
                }
            }
    }
}

# Convert MB to GB for final summary
$totalGBSaved = $totalSpaceSaved / 1024
Write-LogAndConsole "`nCleanup completed at $(Get-Date)"
Write-LogAndConsole "Total space saved: $([math]::Round($totalGBSaved, 2)) GB"
Write-LogAndConsole "Log file saved to: $logFile"