Boot up your Firestick, open Settings -> My Fire TV
 
Go to Developer Options and set Apps from Unknown Sources to ON
 
Go back to Home screen buy pressing Home button on Fire TV remote control
 
Switch to magnifier icon by pressing left and search for Downloader app
 
Select Downloader app
 
Click Get to install Downloader app
 
Click Open to run Downloader app
 
Switch Browser from left pane, type the following address: https://trustedzone.info/vpnzones then press Go
 
Click com.wireguard.android-x.x.xxxxxxxx.apk to download it
Install file by clicking INSTALL button
After install click DONE then click Done again. Do NOT open the app yet.
Click wireguard.zip to download it. You will need to login to Trust.Zone site in order to download.
Select VPN connection profile and click it to connect.
Click OK to accept connection request.
Open Trust.Zone Main page or reload it if it is already open in order to check if your connection with Trust.Zone VPN is established correctly. 
You can also visit our Connection Check Page.
     Your IP: x.x.x.x ·
    
                                     Your IP: x.x.x.x ·  United States · 
        
            You are in TRUST.ZONE now! Your real location is hidden!
        United States · 
        
            You are in TRUST.ZONE now! Your real location is hidden!