Script to Remove Apps for Windows 10 (with multiple version support). Script updated to prevent apps returning after being removed on Pre-1803 releases of Windows 10

RemoveApps script for Windows 10

# Original Script by: Jörgen Nilsson
# Blog post: https://ccmexec.com/2019/04/updated-removeapps-script-for-windows-10-1903/

# Updated by: Neil Bourne-Harris (02/05/2019)
# Changelog: Added condition to prevent apps from returning by adding the apps respective deprovisioning key 
#            to the registry (not required for 1803 and above).
#            Ref: https://docs.microsoft.com/en-us/windows/application-management/remove-provisioned-apps-during-update

$Buildnr = (Get-CimInstance Win32_Operatingsystem).BuildNumber
$Applist = Get-Content "$($PSScriptRoot)\apps$($Buildnr).txt"
$Capabilities = Get-Content "$($PSScriptRoot)\Capabilities$($Buildnr).txt"
$Logfile = "$env:SystemRoot\Temp\RemoveApps_$($Buildnr).log"
Set-Content -Path $Logfile -Value "Remove builtin apps based on $applist"

# Prevent apps from returning by adding the apps respective deprovisioning key to the registry (not required for 1803 and above)
# Ref: https://docs.microsoft.com/en-us/windows/application-management/remove-provisioned-apps-during-update
if ($Buildnr -le 16299) {
    $DeprovisionedRootKey = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Appx\AppxAllUserStore\Deprovisioned"
    If (!(Test-Path "$DeprovisionedRootKey")) { New-Item -Path "$DeprovisionedRootKey" | Out-Null }
}

ForEach ($App in $Applist) {
    $App = $App.TrimEnd()
    $PackageFullName = (Get-AppxPackage $App).PackageFullName
    $ProPackageFullName = (Get-AppxProvisionedPackage -online | where {$_.Displayname -eq $App}).PackageName
    $PackageFamilyName = (Get-AppxPackage | where {$_.Name -eq $App }).PackageFamilyName

    if ($Buildnr -le 16299) {
        if ($PackageFamilyName) {
            if (!(Test-Path "$DeprovisionedRootKey\$PackageFamilyName")) { 
                "`r`nAdding deprovisioned package name to registry: $App" | Out-File -FilePath $Logfile -Append -Encoding ascii
                New-Item -Path "$DeprovisionedRootKey\$PackageFamilyName" | Out-Null
            }
        }
    }

    if ($PackageFullName) {
        "`r`nRemoving Package: $App" | Out-File -FilePath $Logfile -Append -Encoding ascii
        start-sleep -Seconds 5
        remove-AppxPackage -package $PackageFullName | Out-File -FilePath $Logfile -Append -Encoding ascii
    }
    else {
        "Unable to find package: $App" | Out-File -FilePath $Logfile -Append -Encoding ascii 
    }

    if ($ProPackageFullName) {
        "`r`nRemoving Provisioned Package: $ProPackageFullName" | Out-File -FilePath $Logfile -Append -Encoding ascii
        start-sleep -Seconds 5 
        Remove-AppxProvisionedPackage -online -packagename $ProPackageFullName | Out-File -FilePath $Logfile -Append -Encoding ascii  
    }
    else {
        "Unable to find provisioned package: $App"| Out-File -FilePath $Logfile -Append -Encoding ascii
    }
}

ForEach ($Capability in $Capabilities) {
    "`r`nRemoving capability: $Capability".Replace("  ", " ") | Out-File -FilePath $Logfile -Append 
    Remove-WindowsCapability -online -name $Capability | Out-File -FilePath $Logfile -Append -Encoding ascii
}