If you purchased the game through Steam, the activation code is usually provided as a "CD Key" in your Steam Library. Right-click the game in Steam. Select > CD Keys . Copy the key.
Apache Air Assault was originally tied to the Yuplay service (Gaijin Entertainment’s old platform). If your installation includes an outdated version of the Yuplay wrapper, it will fail to connect. If you purchased the game through Steam, the
This is the most common fix for legacy titles. The activation module often expects to see a Windows 7 environment. If you purchased the game through Steam, the
Install the . Without these, the "Checking Activation" window may hang because it cannot load its own UI elements. A Note on Steam Versions If you purchased the game through Steam, the