Add-AppxPackage -Path "C:\Downloads\MyApp.msixbundle" PowerShell automatically selects the correct version for the current system. To install an MSIX package for every user on the machine, you must run PowerShell as Administrator and use the -AllUsers switch:
By mastering these commands, you can integrate MSIX deployment into CI/CD pipelines, remote management tools, and automated configuration scripts—making application lifecycle management simpler and more reliable. Last updated: March 2025. For the latest cmdlet parameters, run Get-Help Add-AppxPackage -Detailed in your PowerShell environment. install msix powershell
Add-AppxPackage -Path "C:\Downloads\MyApp.msix" -ForceApplicationShutdown If you receive an error like "The root certificate of the signature is not trusted" , you must install the signing certificate before installing the MSIX. Add-AppxPackage -Path "C:\Downloads\MyApp
Add-AppxPackage -Path "C:\Downloads\MyApp.msix" -ErrorAction SilentlyContinue For fully unattended scripts, combine with -ForceApplicationShutdown to close running instances of the app: While double-clicking an
MSIX is the modern Windows application packaging format that combines the best features of MSI, AppX, and ClickOnce. While double-clicking an .msix or .msixbundle file works for interactive installations, PowerShell provides a more powerful, scriptable, and automated approach—essential for IT pros, developers, and enterprise deployments.
$Url = "https://example.com/apps/MyApp.msix" $TempFile = Join-Path $env:TEMP "temp_install.msix" Invoke-WebRequest -Uri $Url -OutFile $TempFile Add-AppxPackage -Path $TempFile Remove-Item $TempFile -Force To confirm the package installed correctly: