How to install an app from an APK file on a typical Android device?

To install an APK file (Android Package) on your Android smartphone or tablet—known as "sideloading"—you first need to enable a security setting:

1. Open Settings on your Android device.
2. Tap on "Apps" or "Security" (this may vary depending on your device).
3. Enable the option "Allow apps from unknown sources" or "Unknown sources". This allows your device to install apps not directly downloaded from the Google Play Store.

After you've enabled this setting, follow these steps to install the APK file:

• Download the APK file and save it to your device (for example, in the "Downloads" folder).
• Open a file manager (such as the built-in "Files" app or any other file manager) and navigate to the folder containing the APK.
• Tap the APK file. The installation screen will open automatically.

Important: You'll see an overview of the permissions the app requires. Read this information carefully before proceeding. Only install the app if you trust the requested permissions and you're confident that the APK comes from a reliable source.

If everything looks good, tap "Install", and the app will be ready to use in a few seconds.

Security Tip:

After installation, it's advisable to disable the "Unknown sources" option again to protect your device from accidental or malicious installations.