MSIX packages are strictly verified. If you downloaded the file from outside the Microsoft Store or a verified vendor, Windows might block it.
Before installing, ensure you are on or Windows 11 . While MSIX is built into modern Windows, some older versions may need the App Installer tool updated from the Microsoft Store. how to install msix
This is the standard method for end-users and works identically to opening any other file. MSIX packages are strictly verified