Windows10Debloater/Windows10SysPrepDebloater.ps1

#This function finds any AppX/AppXProvisioned package and uninstalls it, except for Freshpaint, Windows Calculator, Windows Store, and Windows Photos.
#Also, to note - This does NOT remove essential system services/software/etc such as .NET framework installations, Cortana, Edge, etc.

#This is the switch parameter for running this script as a 'silent' script, for use in MDT images or any type of mass deployment without user interaction.

$ErrorActionPreference = 'SilentlyContinue'

param (
    [switch]$Debloat, [switch]$SysPrep, [switch]$StopEdgePDF, [Switch]$Privacy
)

Function Begin-SysPrep {

    param([switch]$SysPrep)
        Write-Verbose -Message ('Starting Sysprep Fixes')
 
        # Disable Windows Store Automatic Updates
        Write-Verbose -Message "Adding Registry key to Disable Windows Store Automatic Updates"
        $registryPath = "HKLM:\SOFTWARE\Policies\Microsoft\WindowsStore"
        If (!(Test-Path $registryPath)) {
            Mkdir $registryPath -ErrorAction SilentlyContinue
            New-ItemProperty $registryPath -Name AutoDownload -Value 2 
        }
        Else {
            Set-ItemProperty $registryPath -Name AutoDownload -Value 2 
        }
        # Disable Microsoft Consumer Experience
        Write-Verbose -Message "Adding Registry key to prevent bloatware apps from returning"
        #Prevents bloatware applications from returning
        $registryPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\CloudContent"
        If (!(Test-Path $registryPath)) {
            Mkdir $registryPath -ErrorAction SilentlyContinue
            New-ItemProperty $registryPath -Name DisableWindowsConsumerFeatures -Value 1 
        }
        Else {
            Set-ItemProperty $registryPath -Name DisableWindowsConsumerFeatures -Value 1 
        }
        #Stop WindowsStore Installer Service and set to Disabled
        Write-Verbose -Message ('Stopping InstallService')
        Stop-Service InstallService
        Write-Verbose -Message ('Setting InstallService Startup to Disabled')
        & sc config InstallService start=disabled
 }


Function Start-Debloat {

    param([switch]$Debloat)
            
        #Removes AppxPackages
        #Credit to Reddit user /u/GavinEke for a modified version of my whitelist code
        Write-Verbose -Message ('Starting Debloat')
        [regex]$WhitelistedApps = 'Microsoft.Paint3D|Microsoft.MSPaint|Microsoft.WindowsCalculator|Microsoft.WindowsStore|Microsoft.Windows.Photos|CanonicalGroupLimited.UbuntuonWindows'
        Get-AppxPackage -AllUsers | Where-Object {$_.Name -NotMatch $WhitelistedApps} | Remove-AppxPackage -ErrorAction SilentlyContinue
        Get-AppxProvisionedPackage -Online | Where-Object {$_.PackageName -NotMatch $WhitelistedApps} | Remove-AppxProvisionedPackage -Online -ErrorAction SilentlyContinue
    
}

Function Remove-Keys {

    Param([switch]$Debloat)
    
        #Creates a PSDrive to be able to access the 'HKCR' tree
        New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT
        #These are the registry keys that it will delete.

        $Keys = @(

            #Remove Background Tasks
            "HKCR:\Extensions\ContractId\Windows.BackgroundTasks\PackageId\46928bounde.EclipseManager_2.2.4.51_neutral__a5h4egax66k6y"
            "HKCR:\Extensions\ContractId\Windows.BackgroundTasks\PackageId\ActiproSoftwareLLC.562882FEEB491_2.6.18.18_neutral__24pqs290vpjk0"
            "HKCR:\Extensions\ContractId\Windows.BackgroundTasks\PackageId\Microsoft.MicrosoftOfficeHub_17.7909.7600.0_x64__8wekyb3d8bbwe"
            "HKCR:\Extensions\ContractId\Windows.BackgroundTasks\PackageId\Microsoft.PPIProjection_10.0.15063.0_neutral_neutral_cw5n1h2txyewy"
            "HKCR:\Extensions\ContractId\Windows.BackgroundTasks\PackageId\Microsoft.XboxGameCallableUI_1000.15063.0.0_neutral_neutral_cw5n1h2txyewy"
            "HKCR:\Extensions\ContractId\Windows.BackgroundTasks\PackageId\Microsoft.XboxGameCallableUI_1000.16299.15.0_neutral_neutral_cw5n1h2txyewy"

            #Windows File
            "HKCR:\Extensions\ContractId\Windows.File\PackageId\ActiproSoftwareLLC.562882FEEB491_2.6.18.18_neutral__24pqs290vpjk0"

            #Registry keys to delete if they aren't uninstalled by RemoveAppXPackage/RemoveAppXProvisionedPackage
            "HKCR:\Extensions\ContractId\Windows.Launch\PackageId\46928bounde.EclipseManager_2.2.4.51_neutral__a5h4egax66k6y"
            "HKCR:\Extensions\ContractId\Windows.Launch\PackageId\ActiproSoftwareLLC.562882FEEB491_2.6.18.18_neutral__24pqs290vpjk0"
            "HKCR:\Extensions\ContractId\Windows.Launch\PackageId\Microsoft.PPIProjection_10.0.15063.0_neutral_neutral_cw5n1h2txyewy"
            "HKCR:\Extensions\ContractId\Windows.Launch\PackageId\Microsoft.XboxGameCallableUI_1000.15063.0.0_neutral_neutral_cw5n1h2txyewy"
            "HKCR:\Extensions\ContractId\Windows.Launch\PackageId\Microsoft.XboxGameCallableUI_1000.16299.15.0_neutral_neutral_cw5n1h2txyewy"

            #Scheduled Tasks to delete
            "HKCR:\Extensions\ContractId\Windows.PreInstalledConfigTask\PackageId\Microsoft.MicrosoftOfficeHub_17.7909.7600.0_x64__8wekyb3d8bbwe"

            #Windows Protocol Keys
            "HKCR:\Extensions\ContractId\Windows.Protocol\PackageId\ActiproSoftwareLLC.562882FEEB491_2.6.18.18_neutral__24pqs290vpjk0"
            "HKCR:\Extensions\ContractId\Windows.Protocol\PackageId\Microsoft.PPIProjection_10.0.15063.0_neutral_neutral_cw5n1h2txyewy"
            "HKCR:\Extensions\ContractId\Windows.Protocol\PackageId\Microsoft.XboxGameCallableUI_1000.15063.0.0_neutral_neutral_cw5n1h2txyewy"
            "HKCR:\Extensions\ContractId\Windows.Protocol\PackageId\Microsoft.XboxGameCallableUI_1000.16299.15.0_neutral_neutral_cw5n1h2txyewy"

            #Windows Share Target
            "HKCR:\Extensions\ContractId\Windows.ShareTarget\PackageId\ActiproSoftwareLLC.562882FEEB491_2.6.18.18_neutral__24pqs290vpjk0"
        )

        #This writes the output of each key it is removing and also removes the keys listed above.
        ForEach ($Key in $Keys) {
            Write-Output "Removing $Key from registry"
            Remove-Item $Key -Recurse -ErrorAction SilentlyContinue
    }
}

Function Protect-Privacy {

    Param([switch]$Privacy)

        Write-Verbose -Message ('Starting Protect Privacy')
        #Creates a PSDrive to be able to access the 'HKCR' tree
        New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT

        #Disables Windows Feedback Experience
        Write-Output "Disabling Windows Feedback Experience program"
        $Advertising = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\AdvertisingInfo'
        If (Test-Path $Advertising) {
            Set-ItemProperty $Advertising -Name Enabled -Value 0 -Verbose
        }

        #Stops Cortana from being used as part of your Windows Search Function
        Write-Output "Stopping Cortana from being used as part of your Windows Search Function"
        $Search = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\Windows Search'
        If (Test-Path $Search) {
            Set-ItemProperty $Search -Name AllowCortana -Value 0 -Verbose
        }

        #Stops the Windows Feedback Experience from sending anonymous data
        Write-Output "Stopping the Windows Feedback Experience program"
        $Period1 = 'HKCU:\Software\Microsoft\Siuf'
        $Period2 = 'HKCU:\Software\Microsoft\Siuf\Rules'
        $Period3 = 'HKCU:\Software\Microsoft\Siuf\Rules\PeriodInNanoSeconds'
        If (!(Test-Path $Period3)) {
            mkdir $Period1 -ErrorAction SilentlyContinue
            mkdir $Period2 -ErrorAction SilentlyContinue
            mkdir $Period3 -ErrorAction SilentlyContinue
            New-ItemProperty $Period3 -Name PeriodInNanoSeconds -Value 0 -Verbose -ErrorAction SilentlyContinue
        }

        Write-Output "Adding Registry key to prevent bloatware apps from returning"
        #Prevents bloatware applications from returning
        $registryPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\CloudContent"
        If (!(Test-Path $registryPath)) {
            Mkdir $registryPath -ErrorAction SilentlyContinue
            New-ItemProperty $registryPath -Name DisableWindowsConsumerFeatures -Value 1 -Verbose -ErrorAction SilentlyContinue
        }

        Write-Output "Setting Mixed Reality Portal value to 0 so that you can uninstall it in Settings"
        $Holo = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Holographic'
        If (Test-Path $Holo) {
            Set-ItemProperty $Holo -Name FirstRunSucceeded -Value 0 -Verbose
        }

        #Disables live tiles
        Write-Output "Disabling live tiles"
        $Live = 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\PushNotifications'
        If (!(Test-Path $Live)) {
            mkdir $Live -ErrorAction SilentlyContinue
            New-ItemProperty $Live -Name NoTileApplicationNotification -Value 1 -Verbose
        }

        #Turns off Data Collection via the AllowTelemtry key by changing it to 0
        Write-Output "Turning off Data Collection"
        $DataCollection = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\DataCollection'
        If (Test-Path $DataCollection) {
            Set-ItemProperty $DataCollection -Name AllowTelemetry -Value 0 -Verbose
        }

        #Disables People icon on Taskbar
        Write-Output "Disabling People icon on Taskbar"
        $People = 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\People'
        If (!(Test-Path $People)) {
            mkdir $People -ErrorAction SilentlyContinue
            New-ItemProperty $People -Name PeopleBand -Value 0 -Verbose
        }

        #Disables suggestions on start menu
        Write-Output "Disabling suggestions on the Start Menu"
        $Suggestions = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\ContentDeliveryManager'
        If (Test-Path $Suggestions) {
            Set-ItemProperty $Suggestions -Name SystemPaneSuggestionsEnabled -Value 0 -Verbose
        }

        #Loads the registry keys/values below into the NTUSER.DAT file which prevents the apps from redownloading. Credit to a60wattfish
        reg load HKU\Default_User C:\Users\Default\NTUSER.DAT
        Set-ItemProperty -Path Registry::HKU\Default_User\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager -Name SystemPaneSuggestionsEnabled -Value 0
        Set-ItemProperty -Path Registry::HKU\Default_User\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager -Name PreInstalledAppsEnabled -Value 0
        Set-ItemProperty -Path Registry::HKU\Default_User\SOFTWARE\Microsoft\Windows\CurrentVersion\ContentDeliveryManager -Name OemPreInstalledAppsEnabled -Value 0
        reg unload HKU\Default_User

        #Disables scheduled tasks that are considered unnecessary
        Write-Output "Disabling scheduled tasks"
        Get-ScheduledTask -TaskName XblGameSaveTaskLogon | Disable-ScheduledTask -ErrorAction SilentlyContinue
        Get-ScheduledTask -TaskName XblGameSaveTask | Disable-ScheduledTask -ErrorAction SilentlyContinue
        Get-ScheduledTask -TaskName Consolidator | Disable-ScheduledTask -ErrorAction SilentlyContinue
        Get-ScheduledTask -TaskName UsbCeip | Disable-ScheduledTask -ErrorAction SilentlyContinue
        Get-ScheduledTask -TaskName DmClient | Disable-ScheduledTask -ErrorAction SilentlyContinue
        Get-ScheduledTask -TaskName DmClientOnScenarioDownload | Disable-ScheduledTask -ErrorAction SilentlyContinue
}

Function Stop-EdgePDF {

    param([switch]$StopEdgePDF)
    
        Write-Verbose -Message ('Starting StopEdge PDF')
        #Stops edge from taking over as the default .PDF viewer
        Write-Output "Stopping Edge from taking over as the default .PDF viewer"
        $NoOpen = 'HKCR:\.pdf'
        If (!(Get-ItemProperty $NoOpen -Name NoOpenWith)) {
            New-ItemProperty $NoOpen -Name NoOpenWith -Verbose -ErrorAction SilentlyContinue
        }

        $NoStatic = 'HKCR:\.pdf'
        If (!(Get-ItemProperty $NoStatic -Name NoStaticDefaultVerb)) {
            New-ItemProperty $NoStatic -Name NoStaticDefaultVerb -Verbose -ErrorAction SilentlyContinue
        }

        $NoOpen = 'HKCR:\.pdf\OpenWithProgids'
        If (!(Get-ItemProperty $NoOpen -Name NoOpenWith)) {
            New-ItemProperty $NoOpen -Name NoOpenWith -Verbose -ErrorAction SilentlyContinue
        }

        $NoStatic = 'HKCR:\.pdf\OpenWithProgids'
        If (!(Get-ItemProperty $NoStatic -Name NoStaticDefaultVerb)) {
            New-ItemProperty $NoStatic -Name NoStaticDefaultVerb -Verbose -ErrorAction SilentlyContinue
        }

        $NoOpen = 'HKCR:\.pdf\OpenWithList'
        If (!(Get-ItemProperty $NoOpen -Name NoOpenWith)) {
            New-ItemProperty $NoOpen -Name NoOpenWith -Verbose -ErrorAction SilentlyContinue
        }

        $NoStatic = 'HKCR:\.pdf\OpenWithList'
        If (!(Get-ItemProperty $NoStatic -Name NoStaticDefaultVerb)) {
            New-ItemProperty $NoStatic -Name NoStaticDefaultVerb -Verbose -ErrorAction SilentlyContinue
        }

        #Appends an underscore '_' to the Registry key for Edge
        $Edge = 'HKCR:\AppXd4nrz8ff68srnhf9t5a8sbjyar1cr723'
        If (Test-Path $Edge) {
            Set-Item $Edge AppXd4nrz8ff68srnhf9t5a8sbjyar1cr723_ -Verbose
        
    }
}

Function FixWhitelistedApps {

    Param([switch]$Debloat, [switch]$SysPrep)
    
        Write-Verbose -Message ('Starting Fix Whitelisted Apps')

    #Credit to abulgatz for the 4 lines of code
    Get-AppxPackage -allusers Microsoft.Paint3D | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
    Get-AppxPackage -allusers Microsoft.MSPaint | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
    Get-AppxPackage -allusers Microsoft.WindowsCalculator | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
    Get-AppxPackage -allusers Microsoft.WindowsStore | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
    Get-AppxPackage -allusers Microsoft.Windows.Photos | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}
    }

Write-Output "Initiating Sysprep"
Begin-SysPrep 
Write-Output "Removing bloatware apps."
Start-Debloat 
Write-Output "Removing leftover bloatware registry keys."
Remove-Keys 
Write-Output "Checking to see if any Whitelisted Apps were removed, and if so re-adding them."
FixWhitelistedApps 
Write-Output "Stopping telemetry, disabling unneccessary scheduled tasks, and preventing bloatware from returning."
Protect-Privacy 
Write-Output "Stopping Edge from taking over as the default PDF Viewer."
Stop-EdgePDF 
Write-Output "Finished all tasks."