Usually, this is accomplished by going to the device's settings, choosing "Security," and then turning on the "Unknowenlist the components and slots which are normally assembled on a motherboardn Sources" option. As the APK file is not from the Google Play Store, this step is essential because the installation will be blocked if this permission is not granted. Players can download the APK file after adjusting the settings.
enlist the components and slots which are normally assembled on a motherboard