The Windows AppX Installer is a Windows 10 feature that allows users to install .appx packages. SEE: Windows 11: Here's how to get Microsoft's free operating system update In a blogpost explaining ...

There is a way to install unsigned .Appx App Package with PowerShell in Windows 11/10. Use the Add-AppxPackage command line to get it done easily.

Find the app in the Microsoft Store and open it. Then click on the System Requirements section, which is next to the Overview. If you open it on the web, you should see a “See system requirement ...