Once the installation is complete, launch the Instagram application on your Fire Stick. Once you’ve done this, click on ‘Install’ and follow the instructions on the screen. You will have to enter the’source URL’ (in this case, ‘’). Now, you’ll see an interface like the one shown in the screenshot below. After downloading the application, run it by clicking on the ‘+’ icon. This app can be found on your Firestick by searching for it using the on-screen keyboard. First of all, you’ll need to install an app called Downloader on your Firestick. There are a few easy steps to download Instagram on Firestick. If you’ve ever wondered how to download Instagram on Firestick, then you’ve come to the right place.