A2. If this is the first time you have been downloading an APK file to install any app or game, do not worry. Asking such a question is completely normal. If this is your first time, you probably must have been accustomed to downloading files from the Play Store or the App Store; hence this would be a completely different thing for you. Downloading APK files are completely normal. The whole world does it. Android gives you the flexibility to sideload apps outside the Play Store ecosystem. However, you have to ensure that you are downloading APKs from a genuine site.