This can be done in one of two ways.
- By going to the 'AppStore' within the Amazon Fire TV Stick itself
Search for 'Digital Theatre' and download the app - From the Amazon website which can be accessed by clicking here
On the Amazon website, select 'Apps & Games' from the dropdown menu and then search for 'Digital Theatre'
Select the Digital Theatre thumbnail from the search results
Once selected, you will be taken to the app page. From here you will need to sign in before being given the option to 'Deliver' the app to your chosen device
Once you have chosen to 'Deliver' the app to your chosen device it will be installed and ready for you when you open on the FireStick