Different players ask for different information. Before contacting support, open your chosen app and check which activation method it uses.
Username, password and server URL
Smarters-style and XCIPTV-style apps often use login credentials. Enter the details exactly as supplied, including the full server URL.
MAC Address and Device Key
IBO Player and Smart IBO commonly display a MAC Address and Device Key. Send both to support so the playlist can be linked to the correct player.
MAG portal setup
MAG devices generally require the device MAC Address and portal details. Send the MAC to support first, then enter the portal information you receive.
Spedra Plus App
For Android devices, install Downloader and enter code 2035124 to install the Spedra Plus App. Then sign in with the details supplied for your account.