You can install APK file (or sideload apps) on your Android TV via your Android smartphone or computer. The installation process is rather easy. It requires a File manager app with cloud integration installed on your Android TV, for example, File Commander. Follow the step-by-step guide given below. Before get start, you need the APK file of the app that you want to install on your smart TV. For example, the APK Mirror service provides APK files of many legitimate apps. So, download the required APK files on your phone or PC from the site and then follow the steps below.
Steps before sideloading apps (APK files) on Android TV
Steps to Sideload Apps (APK Files) on Android TV
So, this is how to install an APK file of an application manually on your Android TV. If you know any other method, let me know in the comment below.
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