Open Settings > Security and Privacy > Advanced Security and Privacy > Installation Sources.
This may vary from device to device. To simplify, you can use the settings search: sources or unknown apps.
Find the app or browser you want to use to download APK files and enable the option to allow installation from unknown sources.
Open a web browser on your Android device and navigate to the website where the APK file is located: personal account. Click the download button to download the APK file to your device.
Once the download is complete, open the file manager app on your Android device and navigate to the folder where the APK file is saved.
Click on the APK file to start the installation process.
When prompted, provide the necessary permissions to proceed with the installation.
Follow the on-screen instructions to install the application. After the installation is complete, you can find the application in the application bar or on the Home screen.
For security reasons, after installing an APK, it is recommended that you go back to your device settings and disable the option that allows installation from unknown sources.
Please note that installing applications from third-party sources may pose a security risk, so it is important to download APK files only from reliable sources.