In order to Sideload Apps to your Fire TV devices you will need to follow the simple steps below.
First press UP on your remote to take you to the top menu.
Now Scroll RIGHT to Settings.
Press DOWN to access the settings menu, and scroll RIGHT to My Fire TV then press select to open the menu.
Scroll DOWN to Developer Options where we can enable ADB Apps from unknown sources.
Click on ADB Debugging to turn it ON
Click on Apps from Unknown Sources to turn it ON (A warning will appear)
Simply click Turn On!
Your Now Ready To Sideload!!!!
In order to get apps onto the Fire TV we will Install Downloader from the Amazon Store - From the home menu press UP then LEFT to the magnifying glass (Search!) and start typing downloader
Usually d-o-w will show downloader in the lookup section, highlight it and press select (the big circle on the remote)
Install it as normal.
Now your all setup for downloading sideloading!
MORE TO FOLLOW!