Powershell script to disable Windows Recall

Disable-Recall.ps1

# Registry values to set to prevent Recall from renabling itself.
$RecallRegistryValues = @(
    [pscustomobject]@{
        Path="HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI"
        Name="DisableAIDataAnalysis"
        Type="DWord"
        Value="1"
    }
    [pscustomobject]@{
        Path="HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI"
        Name="AllowRecallEnablement"
        Type="Dword"
        Value="0"
    }
    [pscustomobject]@{
        Path="HKLM:\SYSTEM\CurrentControlSet\Control\CI\Policy"
        Name="VerifiedAndReputablePolicyState"
        Type="DWord"
        Value="0"
    }
)

filter Assert-RegistryPath
{

    $exists = Test-Path -Path "$_"

    if(!$exists)
    {
        Write-Warning "$_ did not exist. Creating key."
        $null = New-Item -Path "$_" -ItemType Directory
    }

}

$OSType = (Get-CimInstance Win32_OperatingSystem).ProductType

# ProductType works like this:
# 1 - Work Station
# 2 - Domain Controller
# 3 - Server

if ($OSType -gt 1)
{
    Write-Error "This script will only work on workstations, not servers. Exiting."     
    exit 1
}

try
{
    $windowsVersion = Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion"
    $displayVersion = $windowsVersion.DisplayVersion
    $currentBuild = $windowsVersion.CurrentBuild
    $productName = $windowsVersion.ProductName
    
    # Windows 11 starts at build 22000, Windows 10 is below that
    $isWindows11 = [int]$currentBuild -ge 22000
    
    if ($isWindows11)
    {
        Write-Host "Detected Windows 11 (Build: $currentBuild, Version: $displayVersion)"
    } else
    {
        Write-Host "Detected Windows 10 (Build: $currentBuild). Recall is only available on Windows 11 24H2 and later. No action needed."
        exit 0
    }
    
    # Check if it's 24H2 or later (Build 26100+)
    if ([int]$currentBuild -lt 26100)
    {
        Write-Host "Recall requires Windows 11 24H2 (Build 26100) or later. Current build: $currentBuild ($displayVersion). No action needed."
        exit 0
    }
    
    Write-Host "Windows 11 24H2+ detected. Proceeding with Recall disable script..."
    
} catch
{
    Write-Warning "Could not determine Windows version. Proceeding with caution: $($_.Exception.Message)"
}

$RecallEnabled = Get-WindowsOptionalFeature -Online -FeatureName Recall

if($RecallEnabled.state -ne "DisabledWithPayloadRemoved")
{
    Write-Host "Recall is enabled. Disabling Recall via DISM.exe"
    DISM /online /disable-feature /FeatureName:Recall /quiet /norestart

    Foreach ($key in $RecallRegistryValues)
    {
        $key.Path | Assert-RegistryPath
        try
        {
            $currentValue = Get-ItemProperty -Path $key.Path -Name $key.Name -ErrorAction SilentlyContinue
            if ($null -eq $currentValue -or $currentValue.($key.Name) -ne $key.Value)
            {
                Set-ItemProperty -Path $key.Path -Name $key.Name -Value $key.Value -Type $key.Type -Force
                Write-Host "Set registry value: $($key.Path)\$($key.Name) = $($key.Value)"
            }
        } catch
        {
            # If property doesn't exist, create it
            New-ItemProperty -Path $key.Path -Name $key.Name -Value $key.Value -PropertyType $key.Type -Force
            Write-Host "Created registry value: $($key.Path)\$($key.Name) = $($key.Value)"
        }
    }
    Write-Host "Recall has been disabled, but you should restart your computer so that it fully applies the changes."
}