Step 1: Navigate to the Settings menu of your Amazon Fire TV device.
Step 2: Select the Device menu icon.
Step 3: Click on the Developer Options tab.
Step 4: Click on the Apps from Unknown Developers function.
Step 5: Click on the Turn On button to proceed.
Step 6: Once ON is displayed next to Apps from Unknown Developers, return to the Amazon Fire TV home menu.
Step 7: Navigate to the Search function at the top of the Amazon Fire TV home menu bar.
Step 8: Input DOWNLOADER into the search.
Step 9: Click on the Downloader search term.
Step 10: Click on the Downloader app icon.
Step 11: Click on the Get button.
Please note that if you get the following error, you’ll have to login to your Amazon account from your computer, navigate to the Your Account section, then to Settings, then Manage Address Book. Once you’ve added an new address, you’ll have to click on Set as Default within the Manage Address Book menu. Lastly, you’ll have to reboot your device and continue from Step 7 of this guide.
Step 12: Press the Got it button if you’re prompted with the You got an app message.
Step 13: Click on the Open button.
Step 14: Press the Accept button once you’ve adjusted the screen.
Step 15: Click on the OK button to dismiss the information prompt, if one appears.
Step 16: Click on the address bar under the Enter the URL of the file you want to download field heading.
Step 17: Input the following Kodi download location link using the on-screen keyboard, then press the Go button.
Step 17B: Scroll down to the Choose Your Weapon section and Choose the Android icon.
Step 17C: Choose the latest version of Kodi for Android using the ARMV7A (32BIT) icon.
Step 18: Wait a few minutes for Kodi to download to your Amazon Fire TV box.
Step 19: Click on the INSTALL button to proceed with the Kodi installation on your Amazon Fire TV device.
Step 20: Wait a minute while the Kodi app installs to your Amazon Fire TV device.
Step 21: Click on the DONE button once it says that the Kodi app has been installed.
Step 22: Press the Delete button if you’re prompted by a file downloaded successfully notice after you’ve already installed Kodi as directed above.
Step 23: Press the Delete button again to proceed.
Step 24: You’re done! Go ahead and launch Kodi (from the YOUR APPS & GAMES section) on your Amazon Fire TV for the first time.