First Install ISTB (paid app) from Apple App Store
Then go to settings -> General -> About on the apple device and you will see Wifi/Ethernet address here. Please send this Wifi/Ethernet address to us for activation and place order on website. We will activate your Wifi/Ethernet address and send you the portal url details.
After you receive portal url from us, please do below steps
Instructions for iSTB app
1. Open ISTB app and click the + button at the top right corner
2. Choose stalker profile
3. Then enter 4KUHD as name, portal url as provided by us and enter WiFi/Ethernet MAC address in MAC address field