declutter.ps1

#Requires -RunAsAdministrator
<#
.SYNOPSIS
    Windows 11 Declutter & Performance Script
.DESCRIPTION
    Disables Copilot, Widgets, ads, suggestions, telemetry, Game Bar,
    and other distractions. Optimizes for maximum performance.
    Creates a restore point before making changes.
#>

Write-Host "`n=== Windows 11 Declutter & Performance Script ===" -ForegroundColor Cyan
Write-Host "Creating system restore point first...`n" -ForegroundColor Yellow

# --- 0. RESTORE POINT ---
try {
    Enable-ComputerRestore -Drive "C:\" -ErrorAction SilentlyContinue
    Checkpoint-Computer -Description "Pre-Declutter-$(Get-Date -Format 'yyyyMMdd-HHmm')" -RestorePointType MODIFY_SETTINGS -ErrorAction Stop
    Write-Host "[OK] Restore point created" -ForegroundColor Green
} catch {
    Write-Host "[WARN] Could not create restore point: $($_.Exception.Message)" -ForegroundColor Yellow
}

# Helper to set registry values, creating parent keys as needed
function Set-Reg {
    param([string]$Path, [string]$Name, [int]$Value, [string]$Type = "DWord")
    if (!(Test-Path $Path)) { New-Item -Path $Path -Force | Out-Null }
    Set-ItemProperty -Path $Path -Name $Name -Value $Value -Type $Type -Force
}

# ============================================================
# 1. DISABLE COPILOT
# ============================================================
Write-Host "`n--- Disabling Copilot ---" -ForegroundColor Cyan

# Policy: Turn off Windows Copilot
Set-Reg "HKCU:\Software\Policies\Microsoft\Windows\WindowsCopilot" "TurnOffWindowsCopilot" 1
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsCopilot" "TurnOffWindowsCopilot" 1

# Remove Copilot app (24H2+)
Get-AppxPackage -AllUsers -Name "Microsoft.Copilot" -ErrorAction SilentlyContinue | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue
Get-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue |
    Where-Object { $_.DisplayName -like "*Microsoft.Copilot*" } |
    Remove-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue

# Remove Microsoft 365 Copilot shortcut app
Get-AppxPackage -AllUsers -Name "Microsoft.Microsoft365Copilot" -ErrorAction SilentlyContinue | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue

Write-Host "[OK] Copilot disabled & removed" -ForegroundColor Green

# ============================================================
# 2. DISABLE WIDGETS
# ============================================================
Write-Host "`n--- Disabling Widgets ---" -ForegroundColor Cyan

# Remove Widgets (Web Experience Pack)
Get-AppxPackage -AllUsers -Name "MicrosoftWindows.Client.WebExperience" -ErrorAction SilentlyContinue | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue
Get-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue |
    Where-Object { $_.DisplayName -like "*WebExperience*" } |
    Remove-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue

# Disable via taskbar policy
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Dsh" "AllowNewsAndInterests" 0
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" "TaskbarDa" 0

Write-Host "[OK] Widgets disabled & removed" -ForegroundColor Green

# ============================================================
# 3. DISABLE START MENU ADS & SUGGESTIONS
# ============================================================
Write-Host "`n--- Disabling Start Menu ads & suggestions ---" -ForegroundColor Cyan

$cdm = "HKCU:\Software\Microsoft\Windows\CurrentVersion\ContentDeliveryManager"

# Disable suggested apps in Start
Set-Reg $cdm "SubscribedContent-338389Enabled" 0
# Disable suggestions occasionally in Start
Set-Reg $cdm "SubscribedContent-310093Enabled" 0
# Disable tips on lock screen
Set-Reg $cdm "SubscribedContent-338388Enabled" 0
# Disable suggested content in Settings
Set-Reg $cdm "SubscribedContent-338393Enabled" 0
Set-Reg $cdm "SubscribedContent-353694Enabled" 0
Set-Reg $cdm "SubscribedContent-353696Enabled" 0
# Disable pre-installed app suggestions
Set-Reg $cdm "OemPreInstalledAppsEnabled" 0
Set-Reg $cdm "PreInstalledAppsEnabled" 0
Set-Reg $cdm "PreInstalledAppsEverEnabled" 0
# Disable silent app installs
Set-Reg $cdm "SilentInstalledAppsEnabled" 0
# Disable software suggestions
Set-Reg $cdm "SoftLandingEnabled" 0
# Disable spotlight suggestions
Set-Reg $cdm "SystemPaneSuggestionsEnabled" 0
# Disable content suggestions
Set-Reg $cdm "ContentDeliveryAllowed" 0

# Disable Start Menu tips/recommendations (Iris)
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" "Start_IrisRecommendations" 0
# Disable recent items tracking
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" "Start_TrackDocs" 0

# Hide Recommended section (Pro/Enterprise)
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\Explorer" "HideRecommendedSection" 1

Write-Host "[OK] Start menu ads & suggestions disabled" -ForegroundColor Green

# ============================================================
# 4. DISABLE ADVERTISING ID & TAILORED EXPERIENCES
# ============================================================
Write-Host "`n--- Disabling advertising & tailored experiences ---" -ForegroundColor Cyan

# Disable advertising ID
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\AdvertisingInfo" "Enabled" 0
# Disable tailored experiences
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Privacy" "TailoredExperiencesWithDiagnosticDataEnabled" 0
# Disable app launch tracking
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced" "Start_TrackProgs" 0

Write-Host "[OK] Advertising & tailored experiences disabled" -ForegroundColor Green

# ============================================================
# 5. DISABLE SEARCH HIGHLIGHTS & BING IN START
# ============================================================
Write-Host "`n--- Disabling search highlights & Bing ---" -ForegroundColor Cyan

# Disable search highlights
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\SearchSettings" "IsDynamicSearchBoxEnabled" 0
# Disable Bing web search in Start
Set-Reg "HKCU:\Software\Policies\Microsoft\Windows\Explorer" "DisableSearchBoxSuggestions" 1
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Search" "BingSearchEnabled" 0

Write-Host "[OK] Search highlights & Bing disabled" -ForegroundColor Green

# ============================================================
# 6. DISABLE TELEMETRY
# ============================================================
Write-Host "`n--- Disabling telemetry ---" -ForegroundColor Cyan

# Set telemetry to Security level (minimum)
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\DataCollection" "AllowTelemetry" 0
Set-Reg "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\DataCollection" "AllowTelemetry" 0

# Disable feedback notifications
Set-Reg "HKCU:\Software\Microsoft\Siuf\Rules" "NumberOfSIUFInPeriod" 0

# Disable telemetry services
$telemetryServices = @("DiagTrack", "dmwappushservice")
foreach ($svc in $telemetryServices) {
    Stop-Service -Name $svc -Force -ErrorAction SilentlyContinue
    Set-Service -Name $svc -StartupType Disabled -ErrorAction SilentlyContinue
}

# Disable telemetry scheduled tasks
$telemetryTasks = @(
    "\Microsoft\Windows\Application Experience\Microsoft Compatibility Appraiser",
    "\Microsoft\Windows\Application Experience\ProgramDataUpdater",
    "\Microsoft\Windows\Customer Experience Improvement Program\Consolidator",
    "\Microsoft\Windows\Customer Experience Improvement Program\UsbCeip"
)
foreach ($task in $telemetryTasks) {
    schtasks /Change /TN $task /Disable 2>$null | Out-Null
}

Write-Host "[OK] Telemetry disabled" -ForegroundColor Green

# ============================================================
# 7. DISABLE TIPS & SUGGESTION NOTIFICATIONS
# ============================================================
Write-Host "`n--- Disabling tips & suggestion notifications ---" -ForegroundColor Cyan

# "Get tips and suggestions when using Windows"
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" "SubscribedContent-338387Enabled" 0
# "Suggest ways to get the most out of Windows"
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\UserProfileEngagement" "ScoobeSystemSettingEnabled" 0
# "Show me the Windows welcome experience"
Set-Reg $cdm "SubscribedContent-310094Enabled" 0
# "Get fun facts, tips, and more on your lock screen"
Set-Reg $cdm "RotatingLockScreenEnabled" 0
Set-Reg $cdm "RotatingLockScreenOverlayEnabled" 0

Write-Host "[OK] Tips & suggestion notifications disabled" -ForegroundColor Green

# ============================================================
# 8. DISABLE GAME BAR & XBOX SERVICES
# ============================================================
Write-Host "`n--- Disabling Game Bar & Xbox services ---" -ForegroundColor Cyan

# Disable Game Bar
Set-Reg "HKCU:\Software\Microsoft\GameBar" "AutoGameModeEnabled" 0
Set-Reg "HKCU:\System\GameConfigStore" "GameDVR_Enabled" 0
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\GameDVR" "AllowGameDVR" 0

# Disable Xbox services
$xboxServices = @("XblAuthManager", "XblGameSave", "XboxNetApiSvc", "XboxGipSvc")
foreach ($svc in $xboxServices) {
    Stop-Service -Name $svc -Force -ErrorAction SilentlyContinue
    Set-Service -Name $svc -StartupType Disabled -ErrorAction SilentlyContinue
}

# Remove Xbox Game Bar app (optional - comment out if you need it)
Get-AppxPackage -AllUsers *XboxGamingOverlay* -ErrorAction SilentlyContinue | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue

Write-Host "[OK] Game Bar & Xbox services disabled" -ForegroundColor Green

# ============================================================
# 9. REMOVE BLOATWARE APPS
# ============================================================
Write-Host "`n--- Removing bloatware apps ---" -ForegroundColor Cyan

$bloatApps = @(
    "Microsoft.BingNews",
    "Microsoft.BingWeather",
    "Microsoft.BingFinance",
    "Microsoft.BingSports",
    "Microsoft.GetHelp",
    "Microsoft.Getstarted",
    "Microsoft.MicrosoftSolitaireCollection",
    "Microsoft.People",
    "Microsoft.PowerAutomateDesktop",
    "Microsoft.Todos",
    "Microsoft.WindowsFeedbackHub",
    "Microsoft.WindowsMaps",
    "Microsoft.ZuneMusic",
    "Microsoft.ZuneVideo",
    "Clipchamp.Clipchamp",
    "Microsoft.MicrosoftOfficeHub",
    "Microsoft.SkypeApp",
    "Microsoft.WindowsCommunicationsApps",
    "Microsoft.YourPhone",
    "MicrosoftTeams",
    "Microsoft.549981C3F5F10"  # Cortana
)

foreach ($app in $bloatApps) {
    Get-AppxPackage -AllUsers -Name $app -ErrorAction SilentlyContinue | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue
    Get-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue |
        Where-Object { $_.DisplayName -eq $app } |
        Remove-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue
}

Write-Host "[OK] Bloatware apps removed" -ForegroundColor Green

# ============================================================
# 10. TASKBAR CLEANUP
# ============================================================
Write-Host "`n--- Cleaning up taskbar ---" -ForegroundColor Cyan

$taskbarPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced"
# Hide Task View button
Set-Reg $taskbarPath "ShowTaskViewButton" 0
# Hide Chat icon (Teams)
Set-Reg $taskbarPath "TaskbarMn" 0
# Hide Widgets button
Set-Reg $taskbarPath "TaskbarDa" 0
# Hide Search to icon only (1=icon, 0=hidden, 2=box)
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Search" "SearchboxTaskbarMode" 1
# Disable Copilot button
Set-Reg $taskbarPath "ShowCopilotButton" 0

Write-Host "[OK] Taskbar cleaned up" -ForegroundColor Green

# ============================================================
# 11. VISUAL PERFORMANCE OPTIMIZATIONS
# ============================================================
Write-Host "`n--- Applying performance optimizations ---" -ForegroundColor Cyan

# Set visual effects to "Adjust for best performance" (with font smoothing kept)
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\VisualEffects" "VisualFXSetting" 2

# Keep font smoothing enabled for readability
Set-Reg "HKCU:\Control Panel\Desktop" "FontSmoothing" 2

# Disable transparency effects
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize" "EnableTransparency" 0

# Disable animation effects
Set-Reg "HKCU:\Control Panel\Desktop\WindowMetrics" "MinAnimate" 0

# Disable Retail Demo service
Stop-Service -Name "RetailDemo" -Force -ErrorAction SilentlyContinue
Set-Service -Name "RetailDemo" -StartupType Disabled -ErrorAction SilentlyContinue

Write-Host "[OK] Performance optimizations applied" -ForegroundColor Green

# ============================================================
# 12. DISABLE LOCK SCREEN ADS / SPOTLIGHT
# ============================================================
Write-Host "`n--- Disabling lock screen ads ---" -ForegroundColor Cyan

Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" "RotatingLockScreenEnabled" 0
Set-Reg "HKCU:\Software\Microsoft\Windows\CurrentVersion\ContentDeliveryManager" "RotatingLockScreenOverlayEnabled" 0
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\CloudContent" "DisableWindowsSpotlightFeatures" 1

Write-Host "[OK] Lock screen ads disabled" -ForegroundColor Green

# ============================================================
# 13. DISABLE ACTIVITY HISTORY
# ============================================================
Write-Host "`n--- Disabling activity history ---" -ForegroundColor Cyan

Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\System" "EnableActivityFeed" 0
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\System" "PublishUserActivities" 0
Set-Reg "HKLM:\SOFTWARE\Policies\Microsoft\Windows\System" "UploadUserActivities" 0

Write-Host "[OK] Activity history disabled" -ForegroundColor Green

# ============================================================
# DONE
# ============================================================
Write-Host "`n=== All Done! ===" -ForegroundColor Green
Write-Host "Please restart your computer for all changes to take effect." -ForegroundColor Yellow
Write-Host "A restore point was created - you can revert via System Restore if needed.`n" -ForegroundColor Yellow