Problem : Unable to install Non-Store (Microsoft Software store) application on Windows 8 / Windows 10 Devices.
If you are trying to install the custom application (Non store apps) on Windows 8 / Windows 10 devices, You will get a below error during installation.
Windows 8.1 Error during installation,
Windows 10 mobile error during installation.
Cause : Since non store application doesn’t have the valid certificates from the store, It will not allow you to install the app,
Resolution: You may need to download the respective certificate before you install the app,
If you have created your app using Appstudio, click on Get install able package for app, (if your application created using other softwares, you need create and install certificate for that app.
You can download and install the certificate or Using QR code scan, you can install the certificate
Or Install Windows App Studio Installer App from Store, it will download and install both certificate and Application on your mobile.