Install Msix Powershell All Users !new! May 2026

This guide focuses on installing MSIX packages (.msix or .appx files) for "All Users" using PowerShell.

This is a common administrative task for deploying software in corporate environments. install msix powershell all users

Elevation check

$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent()) if (-not $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) Write-Host "ERROR: This script must be run as Administrator." -ForegroundColor Red exit 1001 This guide focuses on installing MSIX packages (

Cleanup

Remove-Item -Recurse -Force $tempFolder Cleanup Remove-Item -Recurse -Force $tempFolder

Part 3: The Core PowerShell Commands for All-Users Installation

Part 6: Verifying All-Users Installation

Once installed, how do you confirm the package is available for all users?

Security considerations

• Only install MSIX packages from trusted sources.
• Ensure certificates used to sign packages are trusted by the machine; do not add untrusted certificates to system stores without validating the source.

Step 1: Launch PowerShell as Administrator

Click Start, type PowerShell, right-click Windows PowerShell, and select Run as administrator. Click Yes on the UAC prompt.