Quick & Easy: Sideload APK Apps on Chromecast/Android TV using Android Platform Tools

• Open Command Prompt (Run as Administrator)
• @powershell Invoke-WebRequest -Uri "https://dl.google.com/android/repository/platform-tools-latest-windows.zip" -OutFile "C:\platform-tools-latest-windows.zip"
• @powershell Expand-Archive -Path "C:\platform-tools-latest-windows.zip" -DestinationPath "C:/"
• C:\platform-tools\adb.exe connect chromecast-ip
• On your Chromecast you will now have to Allow USB debugging
• Now you can upload & install apk with C:\platform-tools\adb.exe install C:\yourapp.apk

Tips:

• upload a file to your android tv C:\platform-tools\adb.exe push C:\Downloads\yourapp.apk \path\on\android\
• reboot android tv adb.exe reboot