Step 1:First we need to enable files from unknown sources.
Step 2:Start your Fire TV and go to the Home page.
Step 3:Select Settings.
Step 4:Select Device and Developer Options.
Step 5:Toggle ‘Apps from Unknown Sources’ to on.
Step 6:Navigate to the APK file, select it, download and install.
Step 7:APK URL can be be found in the subscription email.
