{VP} Icy

I have recently convinced my friend to get a gaming pc and get arma and when he tries to join the server it says his steam account is not old enough, could I pls get some help cause he is pretty pissed about this whole situation. Srry if this is not under the right section, kind of a noob on the forums, pls let me know if you need any other info and I'll contact him his steam acc:https://steamcommunity.com/profiles/76561198965229742/