Go to your phone’s Settings
In Settings, go to Security
This can vary for different devices - e.g. ‘Security & privacy’, ‘Lock screen & security’ or similar. For older versions of Android, it could be called Applications.
Under Security (or Applications), go to Unknown sources
It can also be under More settings, e.g. “Download apps from unknown sources”. Enable installation of apps from sources other than Play Store.
Change the settings
You will see a warning that Installing from unknown sources may be harmful to your device and personal data. Make sure that you download apps only from trusted third party sources
Install the APK
You will now be able to install the full version of our app APK - locate the file on your device and tap to open and install it.