In the command window, type the following command (replace the path with the actual location of your file):
Right-click and select Run as administrator . how to install msix file
Type the following command, replacing the path with your actual file location: powershell Add-AppxPackage -Path "C:\Path\To\YourApp.msix" Use code with caution. In the command window, type the following command
MSIX files must be digitally signed. If the certificate isn't trusted by your PC, the "Install" button will be greyed out. If the certificate isn't trusted by your PC,
MSIX packages are digitally signed. If the developer did not sign the package correctly, or if it is a self-signed test package, Windows may block it.
to the folder containing your MSIX file:
Sometimes the GUI fails, or you might need to install an app on multiple machines. PowerShell is the most reliable way to force an installation.