how to install .appx application code example
Example 1: install appx package windows
Add-AppxPackage -Path "Path to APPX file"
Example 2: install appx
Add-AppxPackage -Path C:\Path\to\AppxManifest.xml -Register
Add-AppxPackage -Path "Path to APPX file"
Add-AppxPackage -Path C:\Path\to\AppxManifest.xml -Register