Add-AppxPackage -Path ".\MyApp.msix" -Scope Machine -ErrorAction SilentlyContinue
The native Add-AppxPackage cmdlet cannot install for all users. Instead, you must use the DISM module cmdlet: Add-AppxProvisionedPackage.
This cmdlet stages the package on the machine, making it available to any new or existing user who logs in (though existing users may require a logoff/logon cycle). install msix powershell all users
Before running the commands, ensure you meet these requirements: Add-AppxPackage -Path "
All-users installation requires elevated rights. You must run PowerShell as Administrator. Without elevation, the command will fail with an access denied error. The native Add-AppxPackage cmdlet cannot install for all
If you prefer command prompt or batch scripts, you can use the DISM tool directly:
dism /Online /Add-ProvisionedAppxPackage /PackagePath:"C:\MyApp.msix" /SkipLicense
This is functionally identical to Add-AppxProvisionedPackage. Choose whichever fits your scripting environment.