How do I install ProtonVPN on an Amazon Firestick?

To install ProtonVPN on an Amazon Firestick, one must navigate to the home screen of their Firestick and select the 'Search' icon. Then, type in "Downloader" and install the Downloader app. Once installed, open the Downloader app and enter the URL for the ProtonVPN APK file, which can be obtained from ProtonVPN's official website. Download the APK and install it by following the on-screen prompts. After installation, navigate back to the home screen, go to ‘Settings’ > ‘Applications’ > ‘Manage Installed Applications’, and find ProtonVPN in the list. Open it and log in with your ProtonVPN credentials. Now you can connect to your desired server and securely browse through your Amazon Firestick.