If the prompt still hangs, the issue may be local to your PC's environment:
If you have a retail DVD version, do not rely on the in-game prompt. Instead: : Visit the Gaijin Store .
: If you purchased a digital copy from the Gaijin Store, you do not need an activation code. Instead, you must log in directly through the Yuplay client and launch the game from there.
Patch swallowed and keyed in the code. The system accepted and spun a grey wheel of promise before the array lights shifted from offset amber to a deliberate green. Power rerouted. The array paused like a sleeping thing waking.
Blocked Drains Reading