: Navigate to your TV's Settings > Security & Restrictions (or Apps ) and grant permission to the Downloader app to install apps from unknown sources.
: Once received, use a file manager on the TV to locate the APK in the "Downloads" folder and install it. Features of QURTV and Similar Streaming Apps Downloader for TV - Apps on Google Play
: Search for and install "Downloader by AFTVnews" from the Google Play Store .
: Use established sites like Softonic or Uptodown to find the latest version of the QURTV or similar "QuickTV" apps.
The most efficient way to sideload APKs on Android TV or Google TV is through the app.
: Use an app like Send Files to TV on both your phone and your television.