And you wait. And wait. And nothing happens.
If the activation still hangs, your network might be blocking the verification servers: Open Network Ports : Ensure your firewall or router allows traffic through UDP ports 7586, 7587, and 7588 for correct online functionality. DirectX & DLL Issues checking activation code please wait apache air assault best
– Look for an official patch from the publisher (Activision/Gaijin Entertainment) that removes online activation. Some later versions of the game shipped without this check. And you wait