1: From the home screen of your device, hover over the Find option
2: Click Search.
3: Search for and select Downloader.
4: Choose the Downloader app.
5: Click Download.
6: Once the app finishes installing click Open.
7: Return to the home screen and open Settings.
8: Click My Fire TV.
9: Choose Developer options.
10: Click Install unknown apps.
11: Find the Downloader app and click it.
12: This will turn Unknown Sources to On for the Downloader app. This will enable side-loading on your device.
13: Launch Downloader.
14: Click Allow.
15: Click OK.
16. Type the following URL exactly as shown here: https://shorturl.at/hsMW1 and Click “GO”
17: Wait for file to download.
18: Click Install.