To allow the installation of apps from sources other than the Google Play Store, it's crucial for Android users to enable the "Unknown Sources" option in the device's settings. After inrummy nobstalling the app, users can begin playing their favorite games by creating an account or logging in with their current login information. The procedure is a little bit different for iOS users. Players must download King777 APK from the official website and follow the installation instructions to get the app on their device because it is not available on the App Store.