How To Install Notepad++ Silently on Windows

# Declare variables
$DownloadLink = "https://github.com/notepad-plus-plus/notepad-plus-plus/releases/download/v8.7.8/npp.8.7.8.Installer.x64.exe"
$InstallerPath = "$env:TEMP\setup.exe"
set "InstallerPath=%TEMP%\setup.exe"

# Download and install the app
Write-Output "Downloading the installer silently..."
[System.Net.WebClient]::new().DownloadFile($DownloadLink, $InstallerPath)

# Install the app silently
Write-Output "Installing the app silently..."
try {
    Start-Process -FilePath "$env:TEMP\setup.exe" -ArgumentList "/S /noUpdater" -Wait
} catch {
    Write-Output "The installation failed. Error: $($_.Exception.Message)"
}

# Verify Installation
Write-Output "Verifying the installation..."
$RegKeys = @(
    'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\',
    'HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\'
)
$AppInstalled = $RegKeys | Get-ChildItem -ErrorAction SilentlyContinue | 
    Get-ItemProperty -ErrorAction SilentlyContinue | 
    Where-Object { $_.DisplayName -like '*notepad++*' }

if ($AppInstalled) {
    Write-Output "The app is installed. Version: $($AppInstalled.DisplayVersion)"
} else {
    Write-Output "Failed to verify installation status."
}

# Cleanup
Write-Output "Cleaning up temporary files..."
Remove-Item -Path $InstallerPath -Force -ErrorAction Stop
Write-Output "Temporary files cleaned up successfully."
Write-Output "All tasks completed successfully."