To mark the 13 anniversary of the saga, Electronic Arts has decided to offer free download of the game. Command & Conquer Red Alert (Allied disc) is a game of real-time strategy series Command & Conquer. The events take place in an alternate reality in which the allied forces are facing forces of the Soviet Union in a fierce struggle for military control of the European continent. Download is disk 1 (Campaign of the Allies). Free and is compatible with all versions of Windows except Vista.