Walfadjri L'Officiel : Application officielle du groupe Walfadjri

Make sure that third-party apps are allowed on your device: go to Menu->Settings->Security-> and check "Unknown Sources"

Download all APK files or only Zip file

Download and Install Split APKs Installer and open it.

Click "Install APKs" button and select all of the APK files in the APKs Bundle (or Zip file) .

Click "Select" button to start the installation process.