# Disable Windows Search indexing
Stop-Service "WSearch" -Force -ErrorAction SilentlyContinue
Set-Service "WSearch" -StartupType Disabled

# Disable Superfetch (SysMain)
Stop-Service "SysMain" -Force -ErrorAction SilentlyContinue
Set-Service "SysMain" -StartupType Disabled

# Disable telemetry services
$telemetryServices = @(
    "DiagTrack",               # Connected User Experiences and Telemetry
    "dmwappushservice"         # dmwappushsvc
)

foreach ($svc in $telemetryServices) {
    Stop-Service $svc -Force -ErrorAction SilentlyContinue
    Set-Service $svc -StartupType Disabled
}

# Disable Bing web results in Start menu search
New-Item -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Search" -Force | Out-Null
Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Search" -Name "BingSearchEnabled" -Value 0 -Type DWord
Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Search" -Name "CortanaConsent" -Value 0 -Type DWord

# Adjust for best performance (visual effects)
$performanceKey = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects"
New-Item -Path $performanceKey -Force | Out-Null
Set-ItemProperty -Path $performanceKey -Name "VisualFXSetting" -Value 2 -Type DWord

# Clean up temp files
$env:temp, $env:windir + "\Temp" | ForEach-Object {
    Get-ChildItem $_ -Recurse -Force -ErrorAction SilentlyContinue | Remove-Item -Force -Recurse -ErrorAction SilentlyContinue
}

Write-Output "`n✅ Optimization complete. A reboot is recommended."