To load APK files directly from a link or storage, you need to allow installation of apps not from the Play Store.
To do this please follow these steps:
- Go to Settings on your Android device
- Scroll down to Lock screen and security
- Turn on Unknown sources
- The device will now allow you to install any APKs via a link or device storage
If you are loading the file from a download link:
- Uninstall the app if you already have a previous version on your device
- Click the download link on your mobile device (Via the email)
- To open or install the file either:
- Open the file via your device notification menu, and click open and install
- Go to your file manager and find the file under installation files / APKs, and click open and install