Go to (Windows 11) or Update & Security > For developers (Windows 10). Toggle Developer Mode to On . 2. Missing Dependencies
Type the following command, but replace the path with your actual file location: Add-AppxPackage -Path "C:\Users\YourName\Downloads\YourApp.msixbundle" Press . run msixbundle
Right-click the file and choose ‘Install’ (not ‘Open’). If you don’t see ‘Install’, double-clicking actually works if the App Installer is present. But if you get the ‘how to open’ prompt, that means Windows doesn’t recognize the handler. Go to (Windows 11) or Update & Security
Some bundles require "frameworks" (like .NET or VCLibs) to be installed first. Usually, the App Installer handles this, but if it fails, the PowerShell error message will typically tell you exactly which "Package Family" is missing. 3. Update the App Installer Missing Dependencies Type the following command, but replace
Jordan installed ‘App Installer’ from the Store (30 seconds). Double-clicked CompanyCalc.msixbundle . A proper installer window opened. Clicked ‘Install’. The calculator appeared in the Start menu within 10 seconds.