Step 1: You can download Smarters Pro IPTV from your TV store on Samsung, LG … -> and Install it -> Login With Xtream Codes from The account Informations
Ex:

Or you can use SetIPTV / NetIPTV / Smart IPTV from your TV store on Samsung, LG, etc.
Step 2: After the installation, open the app and you will find MAC Address on screen
EX:

Step 3: Send us the MAC address via WhatsApp/Email/Live Chat
Step 4: After few minutes, restart/reboot your TV and Open the app
Done